After returning to Los Angeles, the group recorded "The Train Song", written during an increasingly infrequent songwriting session on the train and produced by 1950s R&B legends Larry Williams and Johnny "Guitar" Watson. Despite a request from the Burritos that the remnants of their publicity budget be diverted to promotion of the single, it also flopped. During this period, Ethridge realized that he did not share Parsons' and Hillman's affinity for country music, precipitating his departure shortly thereafter. He was replaced by lead guitarist Bernie Leadon, while Hillman reverted to bass.