it might not be accurate but I haven't listened to Treach's or Doomsday's song tracks in a long time I'm not sure if Megalovania is Birthday battler's song track thing
Megalovania: UnderTale Pumpin' Hot Stuff: Pizza Tower Sugarcube Hailstorm: Sugar Spiral Boss Boom Box: Banjo-Kazooie Ultrachurch: I dunno
