Mixing & Mastering Engineer LALO | TOPBOY | Union Recording Studio in LA

At UNION, you book a room and we send an engineer who knows what they're doing. You don't need to have engineered before. You don't need to bring anyone. We've recorded artists on their first studio session and artists with ten releases; the engineer adjusts to where you're at and gets you sounding professional.

Three rooms (COSMO, BLK MAZE, LEGACY) and engineering staff trained on every genre, available 24 hours a day.

What you get: Tracking sessions (Neumann TLM 103, Universal Audio Apollo, Yamaha HS7 monitors); mixing and mastering ready for Spotify, Apple Music, SoundCloud distribution; self-directed sessions if you bring your own engineer.

Engineering tiers: Reboost Engineer $25/hr for first sessions, beginners, tracking-only, walks you through it. Advanced Engineer $30/hr for experienced artists, mixing-focused sessions, more genre-specific expertise. Engineer rate is on top of room rental rate.

Room rates: COSMO and BLK MAZE: $13/hr overnight (12am-9am), $29/hr daytime. LEGACY: $17/hr overnight, $35/hr daytime. Same rates apply for self-directed bookings.

DAWs supported: Pro Tools, Logic Pro, Ableton Live, FL Studio. WAV stems delivered after every session.

UNION Recording Studio is built for artists who want professional results without professional-tier pricing. Three acoustically designed rooms (COSMO, BLK MAZE, LEGACY), Universal Audio interfaces, Neumann microphones, and a 24/7 schedule. Overnight rates start at $13/hr, among the most affordable in Los Angeles for a fully-staffed studio.

Engineering services include music recording, mixing, mastering, studio rental, and on-site photo and video production. No experience required. Reboost engineers are trained to support first-time bookings. New to recording? Mention it when you book; we'll match you with the right person for your project.

Book a session: call (323) 615-3575 or visit unionrecstudios.com/booking/. Open 24/7. 5458 Santa Monica Blvd, Los Angeles CA 90029.

Elite Engineer

Audio Engineer/Producer TOPBOY, raised in South East Los Angeles, has worked with artists like Vinny West, CUZZOS, Joey Fatts, Fenix Flexin, Peso Peso, AFN Peso, and K Suave. In 2023, TOPBOY mixed and mastered "My Skeleethe (Remix)" by T-Jxint [feat. Vinny West], which hit 10 million streams on Spotify alone and also went viral on TikTok. Having found some success in Hip Hop/Rap, TOPBOY works with other genres including Reggaetón, Pop, Dark Wave, R&B, House, Alternative, and Corridos Tumbados.

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40 reviews

ERRE BABY

Lalo the engineer was the best in our session… he hit every expectation and beyond.
Also the studio itself was a vibe and spacious
Definitely we will book soon again ERRE BABY

Snaps

Have been recording with Topboy going on 3years & he is the best I’ve worked with. I’ve gone to many different engineers & stopped looking once I worked with him. Nothing but great vibes w when working, consistently recommend him to ALL artist I come across. If he’s not in the studio I won’t record.

Britt Prentice Hip Hop Recording Space

ABSOLUTELY 5 STARS OUT OF FIVE!!! Great atmosphere, off street parking! Lalo the engineer was awesome! Professional, prepared and awesome to work with!!!

Jorge Gamboa Patrón Hip Hop Recording Space

I was yesterday recording that your studio with Lalo as an engineer and I really found a great support great treatment wonderful equipment lots of knowledge regarding recording and incredible sound. I really recommend your studio to everyone.

Kikee Bah

I had the opportunity to do some voice over work recently, at their DTLA location and truly had a blast. Lalo, their sound engineer was professional, friendly and quick. I'll be back!!

ariana hughley Hip Hop Recording Space

this place plays NO GAMES!! we had topboy the first 2 sessions, he did the job every time. i will forsure get another season in before the year is over. thank you zoomstudio

Carlos Filinich Hip Hop Recording Space

Great experience at the studio, really professional equipment and great environment for artists!TopBoy is the best engineer, very professional, fast and really dedicated while working with artists.Going back 100%

Sidaty Sow Hip Hop Recording Space

Best studio in LA! Worked with Topboy bro

swish wya

My dawg Top boy the truth when it came to the mixing and mastering on the spot got some good work in def running it bac.

miguel hernandez Hip Hop Recording Space

First Time going and Lalo was very chill and explained everything well. Lalo is very knowledgeable with his work and made my music come alive . I will be comi g back forsure . Thank you.

Dinny Skip Hip Hop Recording Space

Great experience. Nice studio. Good engineer. Good environment. I enjoyed my session with TOPBOY. My only suggestion would be to have a larger selection of condensor mics to choose from. Other than that, I would 10/10 recommend!

Diana and Paul Clark Hip Hop Recording Space

Had the most amazing time with Lalo! He was very efficient with his time management & made us feel super comfortable. Thank you for a memorable & super fun experience

Rose

Best recording studio in LA! Aesthetically pleasing, top notch equipment and a professional team that makes for seamless booking. I've worked with several of their engineers, all qualified to produce top tier work, but Lalo is the absolute best! He's so kind, patient, and fun to be around but most importantly, he's dedicated to finding your best sound. Their best talent there, I highly recommend!

Memo Angulo Hip Hop Recording Space

Lalo is the goat ! Making dreams come true ! Making it happen !It's a blessing working with lalo. High quality sound and great performance. The man is quick and very talented with his work. High recommended !

Pluto Dee

I went in the studio for six hours. Completed seven songs. I asked Topboy if he was up for the challenge and he gladly accepted, and executed!! good energy, good vibe, dude is great. He knows his shyt…

Oliver

Had an amazing first time experience with Lalo! Really knowledgeable and had a lot of fun recording and working on the song together!

Bruess Music Hip Hop Recording Space

It usually takes around 2 hours for me to do a song but with Topboy, we knocked out 4 songs in 4 hours. He works very efficiently while ensuring great quality which is extremely rare. He also gave various pointers regarding my delivery that also improved the quality of the songs we did. I would highly recommend booking a session with him!

Muhammad Jijakli Hip Hop Recording Space

Always a pleasure working with Topboy. He’s extremely talented and actually takes the time to help you get the sound you’re looking for. Highly recommend you book with him.

M3MOR1 M3MOR1 Hip Hop Recording Space

Topboy was amazing, it was my first professional studio session and he made it all a lot easier. He was patient, understanding, great to get feedback from and overall amazing at his job. Overall great experience

Jeremy Melgar Hip Hop Recording Space

TOPBOY is a great help in the studio and working with him is a vibe, highly recommend.

Jourdan Frost Hip Hop Recording Space

I showed up to the studio with my voice stifled and was about to call it a night, until a hot cup of tea and encouragement from one of the best in the game garnered one of the best sessions of my career.... Book with TOPBOY!!!!

Lazaro Trinidad Hip Hop Recording Space

I was a bit nervous because this was my first time going to a Studio. I did my research to what I was looking for and who I wanted to work with. I honestly made the right choice working with TOPBOY. He was patient, he listened to my ideas, he made sure I was happy with the work being done, and he is the type of person who has genuine work ethic and drive for his passion. A person like that is hard to find now and days. I have a more projects I would love to come back and work with him and collaborate with is creative mind and skill. Thank you Lalo "TopBoy"

Malika

Lalo did such a good job! He is awesome fr fr

Hosea Collins Hip Hop Recording Space

Lalo was the greatest. He's extremely knowledgeable with his craft. He's easy to work with. He's extremely helpful and hospitable. It was a really fun, yet productive session. This will definitely be my first of many with him.

Bryan Peralta Hip Hop Recording Space

Certified bangers, best experience in the studio ive had with Lalo knew exactly what i wanted and put it into play .... Dont think im going elsewhere, if you plannin on recording and dont know what studio to go to hit up Topboy for the work, he got you like he got me .... Great vibes and comfortabilty was set right as i walked in... he helped me with a classic !!!!!!

King Stamina Hip Hop Recording Space

Was a pleasure booking Your studio on Santa Monica Blvd for our recording session. Topboy did a great job lending his expertise and making the session flow smoothly without delays. Plan to book more sessions this weekend.

William Dunlap Hip Hop Recording Space

Lalo is excellent. Very helpful, I had a great session.

Amaany Ruiz Hip Hop Recording Space

Lalo was incredible to work with. His passion for understanding sound is amazing

Dejanae Johnson Hip Hop Recording Space

Working with Lalo was so dope. Since it was my first time in a studio I was nervous but he brought my song to life and brought amazing input. Convinced he's the best engineer out here!

Walk Off TheMoon Hip Hop Recording Space

Topboy is very Straight forward, fun to work with, and has a amazing artistic vision. you won't be disappointed working him.

Adam Cain

I booked a last min session at 3:30am-5:30am and Lalo was available to engineer the session. He did an amazing job and I highly recommend that others use him for their next session.

Jonathan Cruz Hip Hop Recording Space

TopBoy did an amazing work with making my idea coming to life. Great listener, great feedback, and great service in general. Highly recommend!

Murci

First time being in a professional studio. We had a lot of fun. Lalo was super professional & helpful. 10/10 recommend

Michael T network Hip Hop Recording Space

LALO is so fun and chill to work with. he easy to communicate and executes your vision. The production was solid and satisfying.

Andrew Flores Hip Hop Recording Space

Made hits, topboy a genius and worked with our group very respectfully and elevated the music making process

MICALL MUSIC Hip Hop Recording Space

LALO | TOPBOY is the best recording and his mixing and mastering skills are flawless. I was able to get a same day session booked and the recording was fun and was perfectly smooth. 10/10 recommend to everyone!

Hollie Sara Hip Hop Recording Space

Lalo was great! This was my first time in a recording studio, and I was pretty apprehensive about putting together a song/sharing my music with others. He went above and beyond to help bring the song together, answer any questions I had, and make the session as welcoming/non-judgemental as possible. Would definitely recommend.

Timaiah smith Hip Hop Recording Space

One of the greatest engineers I’ve ever worked with. He has an amazing ear and made the recording process seamless. I’m so grateful | got the opportunity to work with him. Looking forward to working with him again. Truly a rising star!

Anthony Melendi Hip Hop Recording Space

My first time recording at a studio he was very accommodating and open to collaborations. He was instrumental to the track. I will definitely becoming back

daniel Stevens Hip Hop Recording Space

Didn't know what to expect but I can honestly say that Lalo has so much talent with engineering, he helped me tweak my song into such a vibe and I love how he tells you when something doesn't sound good so that you can make it as perfect as possible, I was so nervous getting back into music but working with lalo took away the nervousness and motivated me even further to go farther, the project we worked on sounds like a masterpiece thanks to his skills!

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