The document discusses various ways that fans engage with and support music artists. It provides examples of Radiohead earning $20 million from a "pay what you want" album release where most fans paid little or nothing. It also describes how Amanda Palmer earned $19,000 from a Twitter campaign where she sold t-shirts and held an auction and donation-only concert. Additionally, it notes that Korean fan clubs now do charitable donations to support artists. The document advocates exploring how brands could sponsor free, ad-backed music streaming to leverage fans' love of artists.