These are the songs by Ween that have been used in setlists.
I'll Miss You
Performed by Ween11
I'm Dancing in the Show Tonight
Performed by Ween77
I'm Holding You
Performed by Ween50
I'm in the Mood to Move
Performed by Ween40
It's Gonna Be A Long Night
Performed by Ween36
It's Gonna Be (Alright)
Performed by Ween17
Japanese Cowboy
Performed by Ween53
Joppa Road
Performed by Ween31
Junkie Boy
Performed by Ween1
Kim Smoltz
Performed by Ween14
King Billy
Performed by Ween1
L.M.L.Y.P.
Performed by Ween176
Learnin' to Love
Performed by Ween158
Leave Deaner Alone
Performed by Ween23
Licking the Palm for Guava
Performed by Ween52
Light Me Up
Performed by Ween84
Little Birdy
Performed by Ween51
Loop de Loop
Performed by Ween13
Loving U Thru It All
Performed by Ween1
Mango Woman
Performed by Ween6