Here is what...

15 singing bowls,
10 ladies,
8 microphones,
7 rattles,
6 bells,
5 tingshas,
3 gongs,
2 wooden frogs,
2 wind chimes,
1 Chumash shell,
1 bell chime,
1 balaphon,
1 crystal bowl and
1 superb sound engineer

...have created.