Time Signature Track List
The time signature track list contains data for a Track Form. It is organized as follows:
<tims-list> -> LIST( 'TIMS'
<tims-ck> // Time signatures
)
The time signature array is contained in the following chunk:
<tims-ck> -> tims (
<DWORD> // Size of DMUS_IO_TIMESIGNATURE_ITEM.
<DMUS_IO_TIMESIGNATURE_ITEM>...
)