'Yesterday' is a song by The Beatles released on their 1965 album Help! Written by Paul McCartney, it is widely regarded as one of the greatest pop ballads of all time.

The song features McCartney's delicate and introspective vocals accompanied by his acoustic guitar. It is a departure from the Beatles' usual sound, as it lacks the typical rock instrumentation and incorporates a more intimate and reduced approach.

Lyrically, "Yesterday" explores themes of love, loss and nostalgia. The lyrics reflect a longing for a bygone relationship or a simpler time. McCartney's heartfelt performance and the clarity of the lyrics touched listeners and made it an instant classic.

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