Argh! I just learnt that the didgeridoo on Rolf Harris's Sun Arise is actually eight double basses! So my "one shot" post will only have one didgeridoo...
Kate Bush - The Dreaming
httpv://www.youtube.com/watch?v=0wkkuaTvIso

But here's what is undoubtedly the best song ever that has eight double basses on it!
Rolf Harris - Sun Arise
httpv://www.youtube.com/watch?v=ILSDyEbJhqw

And here's a version with a real didgeridoo
httpv://www.youtube.com/watch?v=xRmw87YUoQw