metaphors like "a grain of sand in a beach" but it has to be related with crowds or performances or music

Answer 1

- "A single note in a symphony"
- "A drop in a sea of fans"
- "A dancer in a packed club"
- "A beat in a crowded concert"
- "A voice in a choir"
- "A flicker in a sea of lighters"
- "A molecule in a mosh pit"
- "A key on a piano in a room full of musicians"