By The Way is a rapid-fire segment that gives you a snapshot of developing stories in the music world. This week, Live Nation has decided to make their next festival, Rolling Loud, an 18 and above event, following the AstroWorld disaster. Spotify is retiring the Car View feature in the US, Rihanna is hailed as a "national hero" after Barbados gained her independence, and British boy-band, Blue has announced a 20th anniversary comeback tour.