"Maya Fey ~ Turnabout Sisters 2001" is a recurring song in the Ace Attorney series. It is associated with the character Maya Fey and normally plays while Phoenix Wright speaks with with her at Wright & Co. Law Offices.
The original track as heard in the first game was composed by Masakazu Sugimori. In Phoenix Wright: Ace Attorney - Justice for All and Trials and Tribulations, a variant of the track composed by Akemi Kimura titled "Maya Fey ~ Turnabout Sisters Theme 2002" plays instead. In Phoenix Wright: Ace Attorney – Spirit of Justice, another variant, "Maya Fey ~ Turnabout Sisters 2016", composed by Masani Onodera, is used. The song's leitmotif also appears in various other tracks throughout the series.
The track is also often compared to "Dating Start!" from Undertale.
There are currently 14 rips of this song and its remixes on the SiIvaGunner channel, the majority of which use the version from the Nintendo DS version of the first game. There are also rips of the variants from the original Japanese GBA version, Justice for All, and Spirit of Justice, as well as a rip of the remix heard in the webcomic UNDERTALE: Halloween Hack, "Don't Forget To Pay".