proGREX.iv was the name of an electronic music project founded by composer Mick Hale and based in New Brunswick.
Hale released one studio album, titled reINVENTION opERATION, under the name in 1997 for Full Contact Records.
It featured guest contributions from Sarah Folkman of Geko and Jared Hendrickson of Chemlab.
[4][5] The band covered "Don't Speak" by No Doubt[6] for the 1997 Fifth Colvmn Records various artists compilation World War Underground.
[8] The online magazine Sonic Boom criticized the source material for being lackluster and that the low quality of the proGREX.iv collaboration signaled the end of Fifth Colvmn Records, which would go bankrupt that year.