You have the track data now:

<SOURCE VIDEO
FILE "E:\bb\RealTracks\Bass, Electric, PopShiningA-B Ev 120\bs2126.wav"
>


You just need to stretch marker info in the data:

<SOURCE VIDEO
FILE "E:\bb\RealTracks\Bass, Electric, PopShiningA-B Ev 120\bs2126.wav"
>
SM 0 200.0575 0 1 0 + 1.986666667 202.044166667 0 1 3.973333333