Original sentence: The record mixed folk rock, country, psychedelia and jazz, often within a single song, and attempted to deal with many contemporary themes such as peace, ecology, freedom, drug use, alienation and mankind's place in the Universe.The resulting album, The Notorious Byrd Brothers, was released in January 1968, and despite its troubled genesis, contains some of the band's gentlest, most ethereal music
Edited sentence: The record mixed folk rock, country, psychedelia and jazz, often within a single song, and attempted to deal with many contemporary themes such as war and peace, ecology, the communal and the individual, freedom, drug use, alienation and mankind's place in the Universe.The resulting album, The Notorious Byrd Brothers, was released in January 1968, and despite its troubled genesis, contains some of the band's most intense, gentlest, mature, and ethereal music