Boy/Girl Bands and the Billion Songs Spin-offs by Decade of Release The 2010s dominate the spin o s as well: 18 tracks, generating over 32 billion streams. This is the decade where the solo careers of the ex One Direction members, ex Fifth Harmony members, and Justin Timberlake exploded simultaneously. The 2020s are already at 13 tracks with solo members of BTS and Blackpink building massive careers in the span of just a few years. The 1980s claim only 3 tracks all by Michael Jackson, two from 1982 and one from 1987 but they are the most streamed among the legacy spin o s. Billie Jean and Beat It together exceed 4 billion streams: a record for a decade represented by a single artist. Year of Entry into the Billion Club Nineteen tracks entered the club in 2023 the highest gure for any single year, across both bands and solo spin o s. This was the year Spotify made the Billion Club more visible, pulling in a massive wave of songs that had already cleared the threshold. Michael Jackson's Smooth Criminal, the only new entry for 2026 so far, is 52