Songs referenced in the mystery sometimes appear to relate to keywords (ARTICHOKE, GREENGROW), other times perhaps to the geographic area the band is from (R.E.M.), others appear to be in the mystery to evoke certain emotional or intellectual responses (Stardust, Total Depravity).

Below is a list of all songs played, quoted, or referenced in the mystery.

We Stayed Up All Night - Tourist
How Do - The Sneaker Pimps
Heartbeat - Jose Gonzalez
Pulk/Pull Revolving Doors - Radiohead
True Love Waits - Radiohead
Theme - Cibo Matto

“1.666666” - Takako Minekawa - need to have the lyrics translated from Japanese
“32 Footsteps” - They Might Be Giants
“Apple” - Cibo Matto (GRAYBEAT codeword reference only)
“Artichoke” - Cibo Matto (ARTICHOKE, RUSTYKNIFE, LEMON, BURNTBLACK codeword reference)
“Big River” - Johnny Cash
“Black Hole Sun” - Cibo Matto (Cover of Soundgarden song), in French
“Black...White” - Takako Minekawa (Cover of Jane Birkin song), original and cover in French, in English
“Can't Get There From Here” - R.E.M.
“Green Grow the Rushes” - R.E.M. (GREENGROW codeword reference only)
“Heart of Art” - Hope for Agoldensummer
“Iris” - Breeders (IRIS codeword reference)
“Island” - Autour de Lucie, in French
“Jenny Artichoke” - Kaleidoscope (ARTICHOKE codeword reference)
“La clé des Champs” - N'to (“The Key of the Fields”), French artist
“Laying Down the Gun” - Hope for Agoldensummer (RIBCAGE and MEDICINEDOWN codeword reference only)
“Ode to What Could Have Been” - Par Hagstrom
“Promenade” - U2
“Runners Dial Zero” - Beck
“Silver” - the Pixies
“Star Me Kitten” - R.E.M.
“Stardust” - Jimmie Lunceford (Cover of Hoagy Carmichael song)
“The Sidewinder Sleeps Tonite” - R.E.M.
“Total Depravity” - The Veils
“Voice of Harold” - R.E.M.
“Wall of Death” - R.E.M. (Cover of Richard Thompson song)
“White Pepper Ice Cream” - Cibo Matto