Sonic The Hedgehog 4 Episode II - VGMdb

Game developed by Dimps, SEGA, Xeen, SEGA (Shanghai) Software, Tose Software (Shanghai), published by SEGA Europe, SEGA of America, SEGA, released on May 15, 2012.

Sonic the Hedgehog Tribute - Sonic Retro

Sonic The Hedgehog 4 Episode I - VGMdb

Seven Rings In Hand: Sonic and the Secret Rings Original Sound Track

Seven Rings In Hand: Sonic and the Secret Rings Original Sound Track

Category:Sonic the Hedgehog 4: Episode I, SiIvaGunner Wiki

Category:Sonic Before the Sequel, SiIvaGunner Wiki

True Blue: The Best of Sonic the Hedgehog

Albums and Doujins

Sonic the Hedgehog 4: Episode II

Sonic the Hedgehog 4: Episode II, Sonic 4: 2

Sonic Robo Blast 2: Official Soundtrack - VGMdb

Sonic the Hedgehog 1&2 Soundtrack - Sonic Retro

Sonic Heroes Next OST To Get A 20th Anniversary Re-Release

Sonic the Hedgehog 4 - Episode II

Why did SEGA use Michael Jackson's music for Sonic 3 & Knuckles? Why didn't they write their own? - Quora