S4 to S5 @ 2325 with "Take the 'A' Train" by Ella Fitzgerald
2326 - suddenly got much weaker, then completely faded for several seconds
2327 - audible again, but only S1 to S3
2330 - "The Joint Is Jumpin'" by Fats Waller. S2
2336 - "Satin Doll" by Earl Hines Quintet. S2 peaks, lots of fades to nothing.