[3] The song revolves around a guitar riff played by the band's lead guitarist Dave Davies and feature "Beatle-like" harmonies.
[7] The song was recorded in late August 1964 at Pye Studios number 2 in London together with almost all other tracks from the album.
[9] "So Mystifying" feature a similar chord sequence and tempo with "It's All Over Now" by the Rolling Stones, a song which had reached number 1 on the UK Singles Chart in July 1964, shortly before the majority of Kinks had been recorded.
[10][11] It has been suggested by many websites that guitarist Jimmy Page (later of the Yardbirds[12] and Led Zeppelin[13] fame) played on "So Mystifying" along with all other tracks on Kinks.
Page did however play on other tracks from the album, including "I'm a Lover Not a Fighter" and "I've Been Driving on Bald Mountain".
[15] The Kinks Other personnel Swedish rock group Hep Stars recorded "So Mystifying" in September 1965, intended for single release.
In September of that year, the group entered Europafilm Studios in Solna, Stockholm to record the song.