thanks for pointing that out ricklbert,
here you go..
Pdf file
http://www.jsc.nasa.gov/history/mission_trans/AS10_LM.PDF
As no sound can travel in a vacuum and as all signals from Earth were blocked by the Moon during this period,, the whistling heard by Stafford, Cernan & Young must have been electromagnetic signals transmitted from the dark side of the Moon and received in their earphones. Unless they were picking up internally created electronic noise.....
Page 197:
04 06 13 02 LMP That music even sounds outer-spaeey, doesn't it?
You hear that? That whistling sound?
04 06 13 06 CDR Yes.
04 06 13 07 _4P Who0ooooo. Say your - -
04 06 13 12 CMP Did you hear that whistling sound, too?
04 06 13 14 _P Yes. Sounds like - you know, outer-space-type
music.
04 06 13 18 _4P I wonder what it is
Page 198:
04 06 17 58 LMP Boy, that sure is weird music.
04 06 18 01 CMP We're going to have to find out about that.
Nobody will believe us.
04 06 ].8 07 LMP Yes. It's a whistling, you know, like an outerspace-type thing.
04 06 18 10 CMP Yes .... VHF-A ...
Page 240:
04 07 39 33 CMP Roger.
04 07 39 47 CDR Those numbers again, Gene-o, are what?
04 07 39 57 IMP I'll put mine on, Tom.
04 07 40 51 LMP I tell you, John, that music is really weird.
04 07 40 55 CMP ... Think we're going to get it on the front side?
04 07 40 58 _ I know it. You composed something, huh?
04 07 41 03 _P I don't know, man.
04 07 41 05 LMP No one will believe us. Okay, Tom, we're set until 35 minutes - 35 seconds. And we're at 4 minutes ·
and 35 from the burn.