Fortunately, there are several solutions you can try to fix the no music issue in Need for Speed: Most Wanted 2005. Follow these step-by-step guides to resolve the problem:

: Since the game is no longer sold digitally, many players download community-preserved "repacks." To save download space, some of these versions completely strip out the music ( Tracks folder) or compressed audio files ( SOUND folder).

Find a known-good dsound.dll file specifically designed to fix sound in older DirectX 9 games.

: If the game's registry language value does not match your system language, the engine will fail to locate its localization and audio banks.

is a known cause for missing music and environmental sounds. Music Customization & Modding