The Zephyr Song was the second single released for the Red Hot Chili Peppers' eighth studio album By the Way. The song, as a single, was released in two parts. Both editions held two previously unheard-of B-sides, making it, collectively, hold four non-LP tracks. This is the largest amount of accumulated unreleased studio recorded B-sides any solitary single the Red Hot Chili Peppers have ever released. Coincidentally, it is also one of their rarest singles, regularly fetching prices above 100 dollars. Read more on Last.fm.