Oye Como Va became a massive hit after Santana released it in 1970. But, did you know that the song was originally composed and recorded by Tito Puente back in 1962? Both versions are based on a typical cha-cha-chá rhythm and they are essentially the same, they just differ in style. Santana's version has more of a rock flavor with a lot of drive in the sound of his guitar while Tito Puente's version is lighter with a traditional Latin orchestra sound.
The song consists of only two chords, Am7 and D7 (D9), with a lot of different melodies and variations. I pretty much stayed true to the Santana's original and made a transcription of it, but I arranged/adapted it to the classical guitar. Beside Santana's guitar solo at the end of the song, I found the keyboardist's (Hammond) solo very special and interesting so instead of skipping it I decided to make an arrangement of it and include it into the song.