Final answer:
The album 'Sgt. Pepper' by The Beatles was a game changer in 1967 due to its concept album format, experimental musical styles, and elevation of popular music as a serious art form.
Step-by-step explanation:
The album 'Sgt. Pepper' by The Beatles was a game changer in 1967 for several reasons:
Firstly, 'Sgt. Pepper' introduced a concept of a concept album, where all the songs are tied together by a common theme or narrative. This was a departure from the traditional format of separate singles and marked a shift towards a more cohesive and artistic approach to album making.
Secondly, the album showcased a wide range of musical styles and experimental techniques, incorporating elements of psychedelia, Eastern music, and orchestral arrangements. This helped expand the boundaries of what was considered acceptable within the rock genre, inspiring other artists to explore new sonic possibilities.
Lastly, 'Sgt. Pepper' challenged the notion of what a rock album could be and elevated the status of popular music as a serious form of artistic expression. It was acclaimed by critics and embraced by a diverse audience, cementing its legacy as one of the greatest albums of all time.