Here are all the audio tracks that were featured in the Madness Combat series.
Marsh Mellow Madness:
Popper Elfentanz - Sergei Roldugin

Leisurely Ragtime:
Carried Away - BassNectar

Madness Combat 1:
Chicken Dance - DJ Birdy

Madness Combat 2:
Unknown track - Unknown Artist

Madness Combat 3:
MC3 Loop Track - MModule, Calliope - Sean Hodges, and sad music

Madness Combat 4:
MC4 Track - Sean Hodges

Madness Combat 5:
MC5.1 Track - Sean Hodges, MC5.2 Track - Sean Hodges

Madness Combat 5.5:
MC5.5 Track - Sean Hodges

Madness Combat 6:
TrainMadness - Sean Hodges

Madness Combat 6.5:
MC6.5 Track - Sean Hodges

Madness Combat 7:
MC7 Track - Sean Hodges

Madness Combat 8:
MC8 Track - Geier Arnold

Madness Combat 9:
MC9 Track - Sean Hodges

Madness Combat 10:
MC10 Track - Sean Hodges