noun
lead vocalist; main vocalist
Wasei-eigo from English 'lead vocal'. Refers to the primary singer in a band or group, distinct from backing vocalists.
wasei-eigo (Japanese-coined English), from lead vocal
彼はバンドのリードボーカルを務めている。
He serves as the lead vocalist of the band.
リードボーカルが変わってから、バンドの雰囲気が変わっ
Since the lead vocalist changed, the band's atmosphere has changed.