Right back to Hendrix and Carlos Santana, sustain has been a cornerstone of the classic rock sound, along with distortion, reverb and delays and modulation effects. The aim has always been to keep a good thing going ? letting a single note, chord or even feedback tone play on, and on, and on?
Guitarists have used different methods for achieving that violin-like sustain effect ? from holding their guitar up close to their amp, to using complica...