"Ithica 27 ϕ 9" was originally released as a double A-side single with "Summer" on 4 November 1996 through Love Train. It was later included on the 1997 compilation album, Ten Rapid (Collected Recordings 1996-1997).

The song is also as referred to as "Ithica 27ø9", "Ithica 27-9" and "Ithica 27 Phi 9".

The guitars in the song are tuned to (C♯ A E G♯ G♯ G♯). The song begins with a repeated note played by guitar, until (0:13), when a soft riff based on the G♯ minor chord is played. At (0:38), more guitars and a drumbeat enter, and an alternate melody is played. At (1:01), the main melody is played again then at (1:25), the drumbeat and guitars get steadily heavier and faster, until at (1:47), a wall of distorted guitar noise explodes. This continues to (2:19), when the main riff is again played, until (2:40), when the guitar fades into silence.

The song was first released as a 7" single, limited to 1500 copies through Love Train on November 4, 1996. The artwork featured on the sleeve of the 7" is by Neale Smith.

All music composed by Mogwai, except where noted.

...
Wikipedia