Love of my life

The original key of "Love of my Life" by Carlos Santana is C major. Released in 1979 as part of his album "Marathon," the song features vocals by Alex Ligertwood. It was composed by Carlos Santana along with keyboardist Chris Solberg and drummer Graham Lear. "Love of my Life" is a soulful ballad with elements of Latin rock, showcasing Santana's signature guitar style and emotive playing. Interestingly, the song's lyrics were inspired by Santana's then-wife Deborah Santana. The melody is characterized by smooth guitar lines, expressive vocals, and a heartfelt atmosphere, making it a standout track in Santana's repertoire.