[[Image:EkXquOoXsAATzPd.jpg|thumb|Sydney the Ultrasyd]]
'''Ultrasyd''' (Sydney Plumey) is a [[Chip Tune]] artist known to use [[AY]] based machines, notably '''Atari STSTe''' (with Jaguar controllers) and '''Amstrad CPC6128''', or classic nintendo GameBoy.
He played in New-York or in Japan at various chiptune festivals such as the BLIP Festival.