1) Commercial prefix with -glas 
Plexi was an American gothic noise rock band consisting of Michael Angelos (vocals, songwriting, bass), Michael Barragan (guitar, Echoplex, Moog) and Norm Block (drums, percussion). No other members were ever in the band. Their original name was Godseed. Their sound has been compared to bands such as Bauhaus, Sonic Youth, The Cure, Bailter Space, ...