Can anyone identify this tune

[Rangdo]

This has been driving us mad at work, we all know it but can't place the composer and which piece it is.

http://www.zen93281.zen.co.uk/files/Sample.mp3

Please excuse the whistling - I had to get right up to my laptop's mic as it's not too great :)

[Dave2]

Boccherini string quintet in E, 3rd movement minuet

[Rangdo]

Fantastic - weeks of torment ended right there :D

Thanks