Free outdoor SXSW shows return to the renovated Auditorium Shores. My Jerusalem, Mac McCaughan, Charles Bradley & His Extraordinaires and Spoon play the first night. Gates open at 3 p.m., first set at 5 p.m.

KUTX 98.9 presents the Austin Music Experience at the Four Seasons Hotel. Thursday’s line-up: Matthew E. White, Quiet Company, Dan Mangan and the Dodos. $10 admission includes a breakfast taco, granola bar and limitless coffee. 7 a.m.-11 a.m.

Nobel laureate Paul Krugman plus Arcade Fire’s Win and Will Butler discuss the celebrity economy in music. 12:30 p.m. Austin Convention Center Room 18ABC. Badge required.

The Who at 50: A look back on the influential rock band, presented by the Grammy Museum. 2 p.m. Austin Convention Center Room 16AB. Badge required.

An all-star cast of hip-hop producers talk about new technology and the art of beat making. 2 p.m. Austin Convention Center Room 18ABC. Badge required.

CEOs from Glassnote, Cumulus Media and Rdio exchange views on the future of digital and terrestrial radio. 3:30 p.m. Austin Convention Center Room 12AB. Badge required.

The bubbly indie pop of Børns keeps popping up all over. 10 p.m., Clive Bar. Meanwhile, prominent Austin indie-rockers Quiet Company play at midnight, Red Eyed Fly. Official showcase.

Australian duo Luluc — Zoe Randell and Steve Hassert — are winning hearts. 8:30, St. David’s Bethell Hall, also during Doug Sahm tribute Saturday, Paramount Theatre. Official showcase.

Cuban songstress Danay Suárez mixes hip-hop, jazz and reggae. Midnight, Flamingo Cantina. Official showcase.