"Honestly" is a song by Zwan. It was the first single from their album, Mary Star of the Sea. The song was written by Billy Corgan.
The B-side "Number of the Beast" was used in the opening credits of the 2002 film Spun by director Jonas Åkerlund.
"Honestly" is a rock song in the key of D major. Musically, it bears some similarities to the chord progression of Corgan compositions "Today" and the chorus of "Cherub Rock". The guitar parts liberally use a flanger effect.
All songs were written by Billy Corgan, except where noted.