GLASYS (Gil Assayas) is a pianist, synthesist, producer and vocalist who melds many genres and influences including Electronic Music, Alternative Rock, Jazz, Classical and Video Game Music.

GLASYS has been endorsed by major gear manufacturers such as Nord Keyboards, 64 Audio, Sequential and Spectrasonics and has developed a large social media presence with over a hundred million video views,. In 2017, he was discovered by Hip-Hop giant T-Pain on reddit which led to a collaboration. Since 2018 GLASYS has also been touring and collaborating with legendary musician and producer Todd Rundgren.

For over a decade GLASYS has been developing a unique left hand technique that allows him to play both the bass and drum parts simultaneously on a custom built MIDI controller. He often incorporates this technique in his live arrangements on his YouTube channel.

In addition to this, since 2021 GLASYS has been creating live MIDI art compositions which have gone viral and have earned him a MIDI Innovation Award from the MIDI Association.

GLASYS released his debut EP The Pressure in 2016 and his first full length album Defective Humanity (which was successfully crowd-funded on Kickstarter) in 2019.
In 2023 GLASYS released a Chiptune album inspired by the Game Boy games from his childhood, titled Tugging on My Heartchips. In 2025 he released a new EP titled Never Present nor at Ease.

In addition to his main releases, GLASYS has also released compilation albums of various recordings from YouTube titled Off Screen and Off Screen Vol. 2.

"HO. LY. SHIT! I've never seen anything like this in my life. Man. PM me if you wanna work together, bro. This is amazing!" - T-Pain.

Social links:
Facebook: www.facebook.com/GLASYSmusic
YouTube: www.youtube.com/c/GLASYS
Instagram: www.instagram.com/GLASYSmusic
Twitter: www.twitter.com/GLASYSmusic
TikTok: www.tiktok.com/@gil.assayas

Bandcamp: GLASYS.bandcamp.com
Spotify: https://spoti.fi/2XJsHHv