SDR recording catch. About an SIO 333. I am guessing someone was testing.
0013 AM, Michael Jackson "Don't Stop 'Til You Get Enough" for a few seconds.
0014 USB, same song.
0016 Back again in AM mode for a few seconds.
0023 Some tones in AM mode?
0039 Sweeping tones, in AM then in USB.
0041 "Sad Jordan Is So Sad" by Illuminati for a few seconds.
0043 A bit of unshazamable music in USB
0044 Back in AM with music.