https://www.tomshardware.com/news/gdc2007-eidos-psp-traxxpad,4406.html
Eidos' Traxxpad turns the PSP into a keyboard, drums | Tom's Hardware
Mar 6, 2007 - Eidos Interactive wants PSP owners to harness their musical powers with its new Traxxpad software. Traxxpad turns Sony's popular handheld game device into a...