The Definitive Collection is an album released by MCA records, to show all of legendary country singer, Patsy Cline's work.This is one of Patsy Cline's better-known compilations. The album consists of all Cline's big early-1960s hits. Unlike the massive-selling 12 Greatest Hits album, the version of "Walkin' After Midnight" on this album is the original version, not the remake.