It was Monday night in Hollywood. Down at the Emerson Theatre on Hollywood Blvd., however, nine-time Grammy Award-winning R&B; singer John Legend descended the staircase and headed for the piano in the middle of what became his private lounge for 90 minutes. Read more...

Photo: Nine-time Grammy Award-winning R&B singer John Legend performed an intimate concert at the Emerson Theatre in Hollywood Monday night, showcasing the artist’s musical abilities with only his piano and voice. (Courtesy of Charley Gallay/Getty Images)

With three albums and four years of mainstream success, Neon Trees is still stuck in a stage of immaturity and adolescence. Like the band’s previous albums, “Pop Psychology” is yet another 40-minute long complaint about teenage problems, unrequited love and even more teenage problems. Read more...

Photo: (Mercury Records)

Los Angeles-based three-piece electronica group The Glitch Mob will be performing Friday at the second weekend of the Coachella Valley Music and Arts Festival at the Sahara tent at 7:30 p.m. Read more...

Photo: Los Angeles-based DJ trio The Glitch Mob will perform Friday night at this year’s Coachella Valley Music and Arts Festival. (Courtesy of Neil Krug)

Since Claire L. Evans joined solo artist Jona Bechtolt in 2008, YACHT, an acronym for Young Americans Challenging High Technology, has released an array of singles, EPs and albums that capture the band’s vibrant spirit. Read more...

Photo: Electro-pop duo YACHT will be performing with DJ Classixx Sunday at Coachella Valley Music and Arts Festival. (Courtesy of YACHT)