It's not up to the quality of Wario Land 2, 3 or 4's soundtracks, but come on, it's still pretty catchy:
https://www.youtube.com/watch?v=z4x_7ce3W7M
The map themes themselves are quite cool too:
https://www.youtube.com/watch?v=lqM2sjYUJ00
https://www.youtube.com/watch?v=SZAsCpsIJUs
https://www.youtube.com/watch?v=5QNHKO2aH3A
https://www.youtube.com/watch?v=t1yblSuMUK4
https://www.youtube.com/watch?v=W08KloNw0mA
Anyone agree?
https://www.youtube.com/watch?v=z4x_7ce3W7M
The map themes themselves are quite cool too:
https://www.youtube.com/watch?v=lqM2sjYUJ00
https://www.youtube.com/watch?v=SZAsCpsIJUs
https://www.youtube.com/watch?v=5QNHKO2aH3A
https://www.youtube.com/watch?v=t1yblSuMUK4
https://www.youtube.com/watch?v=W08KloNw0mA
Anyone agree?