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\n\tAlanis Morissette<\/a>, Jack Johnson<\/a>, Ty Dolla $ign<\/a>, Vic Mensa<\/a>, and St. Vincent<\/a> are among the biggest musical names in a new round of programming SXSW<\/a> announced on Tuesday for its 40th-anniversary edition, which kicks off March 12. Morissette will headline Spotify 20: Live at Stubb\u2019s on March 14, a showcase marking Spotify\u2019s 20th anniversary, where she\u2019ll be joined by country artist Ella Langley, and a DJ set from St. Vincent.<\/p>\n \n\tJohnson will perform a special set March 13 with Hermanos Guti\u00e9rrez \u2014 the instrumental duo of brothers Alejandro and Estevan Guti\u00e9rrez \u2014 ahead of the first public screening of his new documentary SURFILMUSIC<\/em>. Johnson and the Guti\u00e9rrez brothers co-wrote the film\u2019s score and the single \u201cHold On to the Light\u201d with Mario Caldato Jr., who also produced some of Johnson\u2019s best-known music.<\/p>\n \n\tMensa will pull double duty: a featured conference session exploring how music shapes cinematic storytelling followed by a showcase performance alongside hand-picked new artists. Ty Dolla $ign and Buffalo rapper Benny the Butcher will bolster the hip-hop lineup, while electronic producer ZHU and Chicago DJ and producer Hiroko Yamamura round out the festival\u2019s dance programming. Ingrid Andress, Geordie Greep, rising Atlanta pop-punk band the Paradox, and Latin pop performer EMJAY bring the overall headcount to more than 1,000 acts playing seven straight nights across Austin\u2019s clubs and venues.<\/p>\n \n\tSpotify will also host a session with Co-CEO Gustav S\u00f6derstr\u00f6m and Lainey Wilson exploring the platform\u2019s evolution, a sit-down between Nick Jonas and Spotify exec Dustee Jenkins tied to Jonas\u2019 film Power Ballad<\/em>, and a music conference conversation with Radiohead guitarist Ed O\u2019Brien.<\/p>\n \n\tThe conference additions include a keynote, Say It Louder: Artists, Activism & the First Amendment<\/em>, featuring Jane Fonda \u2014 who founded the Committee for the First Amendment \u2014 alongside filmmaker Jessica Weitz and comedian and documentarian W. Kamau Bell. California Governor Gavin Newsom will sit down for a session of Networth and Chill<\/em>, and Keke Palmer hosts a live taping of her podcast Baby, This Is Keke Palmer<\/em> with the cast of I Love Boosters<\/em>, the new film from Sorry to Bother You<\/em> director Boots Riley. Serena Williams will lead a panel on founders from underrepresented communities who are building companies in the health space, while Riz Ahmed will previews his upcoming comedy series Bait<\/em>. Demi Moore, Bob Odenkirk, Andy Cohen, Apple veteran Phil Schiller, Naomi Ackie, and Taylour Paige round out the speaker roster, while Bill Burr will record a live podcast interview.<\/p>\n