"A Clashing of Waves - Castlevania: Order of Ecclesia" is a high quality rip of "A Clashing of Waves" from Castlevania: Order of Ecclesia.
At 0:10, the melody changes into the tune of Patched Plains. At 0:50, the Underground theme from Super Mario Bros. can be heard.
At 1:00, the track loops.
- The addition of the Underground theme is a reference to A Clashing of Underground Waves, a mashup of the advertised track and the Underground theme from Super Mario Bros. 3, made by JudgeSpear.