Bud Powell ranks as one of the most vital and influential pianists in jazz history. Captured here at his peak and recorded on site at the famed Birdland, NYC. Sidemen include Charles Mingus, Oscar Pettiford, Roy Haynes and Art Taylor, along with guest appearances by Charlie Parker and Dizzy Gillespie. Newly compiled and mastered set corrects pitch problems and personnel listings plaguing previously issued versions.