Press the flag.
Layer one: Normal megalovania. Layer two: Megalovania with a 0.5 second offset. Layer three: Megalovania, 30% left speaker. Layer four: Megalovania, 0.01 second offset, +10 pitch, and 100% right speaker. Layer five: Megalovania, 0.01 second offset and 100% right speaker. Layer six: Megalovania, 0.1 second offset and -10 pitch.