Roll Over the Rainbow

Released as one of the songs on "Wildflower" & Cover Songs: Complete Best 'Track 3', a four-song extended play featuring a cover album as a bonus disc in September 2010, it was used to promote the 2010 United States of Odaiba summer event, organised by Fuji Television.

[8] On August 31, the final day of the event, a concert featuring Superfly was held, which was broadcast live on Ustream.

[10] The song was the only track from the "Wildflower" single not to be featured on her third studio album Mind Travel (2011).

[11] It features a mixture of stop-motion footage of moving guitars and food, as well as scenes showing Shiho Ochi in field.

They noted the song's "open feeling", and the stirring and refreshing pop chorus as some of the high points of the composition.