noun
singing stream; karaoke stream
Internet slang used on streaming platforms like YouTube or Twitch to refer to a live stream where the streamer sings, often karaoke-style. The term is a compound of 歌 (song) and 枠 (slot/frame), where 枠 is used in the sense of a scheduled stream slot.
See also: 枠
今夜は歌枠をやる予定です。
I plan to do a singing stream tonight.
彼女の歌枠はいつも盛り上がる。
Her karaoke streams are always lively.