Echo - SmartyPants Arrangement

It's not done yeeeeet... >w< But I'm having fun~

Okay, so: Listen closely. You can hear a few other Crusher/Circus songs if you have good ears. ;)
0:26, 0:57- Aokigahara
1:08, 2:10 (obvs) - Goodbye
1:22 - BioHazard
2:03…