Raised in a middle-class neighborhood in Johannesburg, South Africa, Calder never attended college but headed straight into the music business, playing bass guitar in local bands and working as a scout for EMI records.

FORBES: Jive Talking

For the record, this guitar and bass-playing editor was excited about the prospects of the Amphone.

ENGADGET: Vox jams guitar amps into Audio-Technica headphones, dubs them Amphones (ears-on)