Sonic the Hedgehog' Music Creator Reflects on Game's 30th Anniversary – Billboard

In an interview with Billboard Japan, Masato Nakamura shared his process of creating music for "Sonic the Hedgehog" in such a limited environment, 30 years ago.

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Ninjala Announces Sonic the Hedgehog Collaboration, MOSHI MOSHI NIPPON

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Music of Sonic the Hedgehog, Ultimate Pop Culture Wiki

Ninjala Announces Sonic the Hedgehog Collaboration, MOSHI MOSHI NIPPON

New jumbotron built for First Security Stadium

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Sonic the Hedgehog' Music Creator Reflects on Game's 30th Anniversary – Billboard

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FROM UK, ISSUE #221 FEATURING 30 YEARS OF SONIC THE HEDGEHOG WITH SPECIAL INSERT IN SEALED POLYBAG.

30 YEARS OF SONIC THE HEDGEHOG RETRO GAMER MAGAZINE ISSUE #221 UK 2021

New Sonic 30th Anniversary advert suggests celebration next year “More in 2022!” - My Nintendo News

WonderCon 2015: Friday Schedule [The Flash, iZombie, The Walking Dead, and More]