vocalist
n.a person who sings, especially as a professional performer in a band or musical group.
n.a singer, particularly one who performs in a professional or formal musical context. Often used to distinguish the singer from the instrumentalists in a group.
“The band is looking for a new lead vocalist.”
“The jazz quartet features a talented vocalist who also plays the trumpet during instrumental breaks.”
“Critics noted that while the band's technical proficiency was undeniable, it was the guest vocalist's haunting range that truly elevated the album's emotional resonance.”
Often paired with 'lead' or 'backing' to specify the performer's role within a musical ensemble.
From vocal + -ist.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.