When you are fire mario, if you get hit you don't become small, you revert back to big mario, like smb3. As a side effect, no game over music.
Super Mario Bros. (World).nes
CRC32: 3337EC46
MD5: 811B027EAF99C2DEF7B933C5208636DE
SHA-1: EA343F4E445A9050D4B4FBAC2C77D0693B1D0922