John Mayer, Indo-Jazz Fusions's ' "Etudes: I. Intro & Rondo" was released on its scheduled release date, February 18, 2014. The duration of This song is about two minutes long, specifically at 2:18. This song does not appear to have any foul language. Etudes: I. Intro & Rondo's duration is considered a little bit shorter than the average duration of a typical track.