I'll chuck in another easy one - just to avoid the 'waiting game': This is TV
Daaah dah dah dadadah
Daah dah dah dadadah
Daah dah dah DAAAAAH
Dede dahdah ... [fade]

[Software] you must be thinking of that awf'ly rude pointing game that kids played - there is no D in Hancock.

[Bob] I'm Sorry, I Haven't A Clue, surely?

Another TV theme:
Dit dit dit daa daa daa daa daa daa
dee dee dee dee dee daa
didididi daa
de dee didi dadaa
dit dee de daa daa daa
dit dit doo doo doo da da dit dit dit
de dee de dee dee daa.

Morse?

[TV series, old and new]
Tump tumpa taaaa, ti-ti-tump-tee TUM tumpy tum tum TAAAAA,
Tump tumpa taaaa, ti-ti-tump-tee TUM tumpy tum tee TEEEEE,
Timp timpy tee, tee tee tee timpetty teeeee....

Herr Bratsche has it!
Chalky] Coronation Street!
HB] Go on - gi'us a clue

Raak] Star Trek? No...

This one should be fairly easy: Radio.
Tum ti-tum ti-tum ti-tum
Tum ti-tum ti tahh, dahh
Tum ti-tum ti-tum ti-tum
Tum ti-tiddley tummmm
Tum ti-tiddley Tum ti-tiddley Tum ti-tiddley Tumm
Tum ti-tum ti-tum ti-tiddley
Tun ti-tiddley tum

Bom bo-bo-bo-bo bom-bo-bom-bo
Bom bo-bo-bo-bo bom bo-bom-bo
Bom bo-bom bo-bom bo-bom
Bom bo-bom bo-bom bo-bo-bo-bo....fade....

Do we have to guess one before moving on or providing our own?