"Something" by The Beatles is originally written in the key of C major. It was penned by George Harrison and released on the iconic album "Abbey Road" in 1969. Harrison, one of the band's lead guitarists, contributed several notable compositions to The Beatles' catalog, and "Something" is often regarded as one of his finest works. The song's melody is characterized by its soulful and reflective tone, accompanied by Harrison's heartfelt lyrics exploring the complexities of love. Notably, "Something" is the only Beatles song written by Harrison to reach the number one spot on the Billboard Hot 100 chart. It has been covered by numerous artists and remains a timeless classic in the realm of popular music.