(1983). She has performed the song on all of her concert tours—from the Piece of Life (2001) through Time for Music (2010). On the Cherish You (2007) and Time for Music concert tours, she performed the 97–07 version of the song. A footage of performance from the Piece of Life tour was used to promote the DVD release of the concert. Apart from the tours, she has also performed the song on various televised appearances. In 2003, she appeared on the talk show hosted by Japanese singer Ayumi Hamasaki and performed the song and "Ashita ni Kuchizuke o" (2003) alongside Hamasaki. Three years later, Matsu sang the song on Music Fair, alongside Sukima Switch. In 2009, Matsu performed the song on the FM802 sponsored event Radio Magic, with Yoshiyuki Sahashi directing the backing band to a crowd of about 12,000 people. A writer for Barks wrote that Matsu's vocals sounded "transparent" and the whole performance had a "refreshing feeling". Oricon magazine commented that Matsu sang "cheerfully" while "running around the stage". The same year, she performed it on the show organized by TBS. In 2014, she performed the song again for NHK, at the event. The song was covered by Hiromi Hirata as Makoto Kikuchi of The Idolmaster series as a "Special Request" song. It was later included in the album, The Idolmaster Special Spring (2010), released through Nippon Columbia. The album peaked at number 18 on the Oricon Albums Chart. It was also covered for the spring compilation Cafe de Nagareru Sweet Jazz 20 the Best Sakura Songs, which peaked at number 39 on the Oricon albums chart. The song has also been covered by many mainstream pop artists like Namie Amuro in 1997, for the show , in 1998 by Masaharu Fukuyama for All Night Nippon, and in 2008 by Ayumi Shibata for . Track listing Credits and personnel Adapted from Sora no Kagami liner notes. Takako Matsu – vocals Daisuke Hinata – keyboards, programming, mixing Bud Rizzo – guitars, bass, programming Shinnosuke Soramachi – acoustic guitar Steve Hall – mastering Re-release A re-recorded version of the song was released as a single to commemorate Matsu's tenth anniversary in music industry, to digital outlets like iTunes, mora, and also in Chaku-Uta format, both as ringtone and the full song on March 21, 2007. The new version titled, was recorded at the Mouri Art Works Studio in Tokyo. Its