The answer is Super Mario Bros. 3 Main theme! XD
This is good song
Super Mario 3 OverWorld 2 First Used On Level 2 Of Super Mario 3
a familiar song was used in the nitendo gameboy world 1 level 2 (or was it world 2?)
I know this one!
This song was first used in World 1-2 of SMB3.
super mario bros. 3 world 1-1. Thank you brentalfloss!
Please contact me if you would like to use this in a project. We can discuss the details.