1941 just tuning in, about SIO 333 with 444 peaks, playing music by the band Tool.
1947 "The Pot" Tool
1953 OM speaking saying "thanks for listening" into SSTV (starting at 1954)
1956 think this is also a song by Tool
2011 music by Tool continues
2033 the preceding few minutes have been noise effects
2037 seems to be QRT, nothing heard for a couple of minutes.