"Billboard is expanding its chart offerings by introducing Top Songwriters and Top Producers rankings based on weekly activity on the Billboard Hot 100 and other “Hot”-named genre song charts that blend streaming, airplay and sales data. The charts will debut in the Billboard issue dated June 15, and in the Billboard Bulletin email blast delivered to subscribers on June 13. Top 10 charts for Hot 100 songwriters and producers will be featured each week, joined by a rotating set of charts fro