
Neil Young's live rig is famously as ragged and one-of-a-kind as the man himself, and at its center sits Old Black, a modded-to-high-heaven 1953 Gibson Les Paul goldtop.
The mods in question are a “chrome-on-brass” pickguard and back plates, a bridge-position Firebird pickup, and a toggle switch, installed between the two volume and two tone knobs, that acts as a bypass.