Marcelo Cataldo is a musician, sound engineer, audio editor, composer, guitarist and bassist in activity in La Plata, Argentina. Marcelo is about to Licenciate in Musical Education at La Plata National University (UNLP). He has studied classical guitar under Mario Arreseygor and Marco Armellino. Also he has completed both levels of Mix and Mastering in UNLP under Santiago Avila and Juan "Cana" San Martin's teaching. He is a video game music specialist, who is able to work with retro sounding soundsets, vsts and soundfonts, like 8-bit and 16-bit. He has worked in at least twenty composition and recording projects for clients from his country, Australia and USA, covering from incidental music for games and movies to recording of full original songs for videoclips. Currently Marcelo is also a music librarian and database admin in musopen.org. His day to day musical activities include the engraving of scores on music notation software and midi sequencing.