Dawn
Knock three times
There are several groups going by the name Dawn:
1) a melodic black metal band from Sweden;
2) a gothic metal band from Ireland;
3) a US pop group from the 70s featuring Tony Orlando;
4) a goth-hard rock band from Belgrade, Serbia;
5) a progressive rock band from Switzerland;
6) An art-thrash punk band from Nashville, TN, USA;
7) a death metal band from Germany;
8) a Finnish chiptune musician;
9) a heavy/power metal band from the UK;
10) a post-rock band from Okinawa, Japan;