Mixing & Mastering Engineers, Producers & Songwriters who worked with Spectrum Mortis
I'm a professional Audio Engineer specialized in Metal, Rock and Extreme Metal productions. I run my own studio - The Empty Hall - located in Madrid, Spain, where I have produced, recorded, edited, mixed and mastered hundreds of albums and EPs. Also, I have assisted and done preparation work for other renowed Audio Engineers worldwide.
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Hi! My name is Luke and I'm a session musician originally from London, UK. I'm here for all guitar, bass, sax and keyboard needs. I can do editing/production as well & can deliver my stems mixed or unmixed. I've toured the world with major label acts in the past & been a studio musician on a US Billboard Top 3 album. Speciality is pop & funk music.
My job is very simple...I basically have to amplify the artist's vision of sound...in the most accurate possible way. The crowd (audience) want to hear the artist, NOT the live sound engineer...in most cases, the artist that they grow up with and subconsciously they know the artist's sound...and they want to listen to that familiar sound.
I aim to push the boundaries of good music with every mix and master. I am here to serve your creations, fall in love with them and take them to a world-class level. The records I've had a hand in appeared on BBC Radio 1, Reprezent Radio, Reebok campaigns and London Fashion Week etc.
I always pour my heart into the songs in whatever forms I'm participating in. But it's not about pouring "MY" heart into your songs, I sync the frequencies of my vibe into your vision. Make it come true-
One of the most creative studios in Barcelona.
Looking for unique lyrics and sultry vocals for your tracks? then hit me up, cause I'm your gal! From Pop to Metal, via Indie Rock, Electronica and Spoken Word, I'm here to take your creative ideas and bring them to the next level.
Credited with Bryant Myers, Almighty & Entertainment One — I produce high-quality Latin beats, mixes & masters.
Need a dedicated producer or arranger with a distinctive, shoegaze-influenced vision? I specialize in creating dreamy, nostalgic sonic landscapes.
Recent Successes
"If you are looking for professional MIX and MASTERING Koen Heldens will do it the best. "
"Tyler did a phenomenal job demoing the songs I sent him. Very professional, punctual, and easy to work with! "
"Online Guitar Tracks, i.e. Lars, is a great guy to work with. Fast turnaround, dedicated, involved, very flexible, uncomplicated. Nice, clean, melodic guitar work. Not to mention that his price is a steal. Just booked..."
"I'm very happy with the result of work of Eric Greedy, his mixing and mastering process gave life and strength to my music, at the same time sounding professional and nice. I recommend Eric without doubt! "
"Great guy, a lot of drive, willing to get the job done."
"Amazing mix engineer and co-producer. Simon was not afraid to share constructive criticism and really helped make the song the best it could be. He has many other musical services such as tracking and even had a sin..."
"I enjoyed working with FraMusic. He takes the project very seriously as if it was his own song. Nothing better than working with someone who you can trust with your project and who will deliver! He is very patient an..."
"Tom is a very skilled engineer who delivers professional and creative work. He managed to complete work as per requirements in a very short time with excellent results. Great communication also. Highly recommended!"
"Great Artist!"
"Amazing & Super talented .... extremely dedicated :) Thankyou so much "
"Thank you for the patience and professionalism you exhibited while mixing and mastering my songs...Juan is a great mix-master who put the time and effort in to please his clients...Give him a try, he is excellent..."
"Thanks Robert, this was a easy and good collaboration."












