No composer names (the 2 Tracks likely Cage):
la. OPEN ROAD [possibly "Ophelia" ?] 2. MYSTERIOUS ADVENTY [prep.pf...,1945],
3. SATIE [?]
3 Tracks, "lateral 33 1/3-start outside"
1b. BEN WEBER [the composer, David Tudor likely the pianist?]
1 Track, "lateral 33 1/3- start outside"
paper cover envelop has the logo:
"Sounderaft, instantaneous Recording Disks, Full-Spectrum"