With the release of the 2019 film“Rocketman,” starring Taron Egerton as the larger-than-life British singer, songwriter, and musician Elton John, interest in the artist’s prolific early career has sky-rocketed. In fact, John was such a maniacal recording artist throughout the 1970s that the title to his 1980 album, 21 at 33, is a sly humblebrag—referencing the fact that he released 21 records by the age of 33.