Emulator

What's the problem?

There is more music in the game "Mario Kart: Double Dash" Once the 3 rd Tour pass, the music does not return the next race.

Dolphin version with the problem (as it appears in the title bar, Ex.: "R
4779" or "R 6403M"): 6897

Operating system and version:
32-bit or 64-bit: Windows 7 Ultimate x64

Game ID (as it appears in game properties, Ex.: "GZ2P01" or "RSBE01"):
GM4P01

Was the ISO a plain dump from disc, compressed and/or scrubbed?
Plain Dump
Please provide any additional information below.

My Computer :
i7 930
24 gb ram pc16000 ( 2000mhz )
Gtx 460 1gb Gainward Goes Like Hell
Hard Drive : Caviar Black 500 go / 64mb cache / 7200rtm