Custom music for Whiplash is now possible
MIDI tracks must have no more than 8 melody channels and one drum channel
https://files.catbox.moe/kdncn5.zip

>download .mid from wherever
>use Timidity to check # of channels and note the tempo
>if necessary, remove/concatenate extra channels with FL Studio or freeware like MidiEditor
>convert to HMP in Dosbox with "midi2hmp [filename].mid /t###" where ### is the tempo information shown in timidity
>check listen with foobar, if tempo is off, use MidiEditor to correct tempo then reconvert
>mangle with Whiptools
>?????
>PROFIT!

rename the .HMP to whatever song you want to replace.
these should work with the original game, but were tested with Roller

>Dragonforce - Thru the Fire and the Flames
https://files.catbox.moe/zvt7bq.HMP

>Patrick Phelan - Top Gear 2: Auckland
https://files.catbox.moe/pazifh.HMP

>Bobby Prince - I Sawed the Demons
https://files.catbox.moe/xj0tem.HMP