Charlie Parker & Dizzy Gillespie: Perdido

After taping himself in concert with an all-star quintet, Charles Mingus listened to playbacks. The group was fabulous, with Diz & Bird in top form. His own bass, however, had been woefully under-recorded. Solution? Overdub a new bassline. Result? Calamitous. Given mid-1950s technology, Mingus #2 easily overpowered but could neither eliminate nor be precisely synchronized with Mingus #1. Consequently, his disconcerting duel with himself maddeningly muddles both tempo and harmony. Fantasy's 12-CD "Complete Debut Recordings":http://rcm.amazon.com/e/cm?t=jazzcom-20&o=1&p=8&l=as1&asins=B000000XB6&fc1=000000&IS2=1<1=_blank&lc1=0000FF&bc1=000000&bg1=FFFFFF&f=ifr (1992) reproduces the undoctored tape, but all other releases use the corrupted version, making its revisionist history definitive for most listeners. Mingus should've left bad enough alone.