The beloved rock band played at the Sphere without the band’s longtime guitarist Steuart Smith. The 72-year-old has left the group after recently being diagnosed with Parkinsonism, a general term for a group of neurological disorders that affect movement.

Steuart Smith, the guitarist for the legendary band the Eagles, announced this week that he is leaving the band. And his reason for leaving … well, it is heartbreaking.

Aerosmith canceled the “Peace Out” tour in August and abruptly retired due to Tyler’s vocal injury. The Grammy-winning Rock and Roll Hall of Fame group said the 76-year-old singer’s voice was not expected to make a full recovery.

Toby Myers, a longtime bassist for John Mellencamp and Roadmaster, has died at the age of 75. The bassist died on Jan. 16 at his home in Indiana after a long battle with cancer, according to an obituary posted on Legacy.com by the funeral home handling his affairs.

A popular rock band from the 1990s is reuniting for the first time in more than 30 years. 4 Non Blondes, best known for the 1993 hit “What’s Up?,” will perform at the BottleRock Napa Valley Festival in May.