The sideman who has served alongside Joe Walsh for 24 years as the Eagles’ touring co-lead guitarist, Steuart Smith, has officially retired from the group, taking his leave midway through the group’s stint at Sphere in Las Vegas.

Longtime Eagles guitarist Steuart Smith has departed the group after performing as part of its live lineup for nearly 25 years, citing a devastating health diagnosis.

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.

Veteran guitarist Steuart Smith, who's been touring with the Eagles for 24 years, revealed that his recent Parkinsonism diagnosis had a profound impact on his decision to retire