Two 'masters' of Sonovox! Steve England (Alfasound/STBlue) pictured doing sonovox on the Trent 1 Alfasound jingle package recorded in Autumn 1980. Jon Wolfert (PAMS and JAM) doing sonovox on Trent and GEM-AM jingles in 1990 at Jam Creative Productions, Dallas, Texas. (Image copyright 2014 Len Groat)

Two 'masters' of Sonovox! Steve England (Alfasound/STBlue) pictured doing sonovox on the Trent 1 Alfasound jingle package recorded in Autumn 1980. Jon Wolfert (PAMS and JAM) doing sonovox on Trent and GEM-AM jingles in 1990 at Jam Creative Productions, Dallas, Texas. (Image copyright 2014 Len Groat)