- h :: Duration
- q :: Duration
- e :: Duration
- s :: Duration
- w :: Duration
- h' :: Duration
- q' :: Duration
- e' :: Duration
- s' :: Duration
- w' :: Duration
- h'' :: Duration
- q'' :: Duration
- e'' :: Duration
- s'' :: Duration
- w'' :: Duration
- _2 :: Duration
- _4 :: Duration
- _8 :: Duration
- _16 :: Duration
- _32 :: Duration
- _1 :: Duration
- _2' :: Duration
- _4' :: Duration
- _8' :: Duration
- _16' :: Duration
- _32' :: Duration
- _1' :: Duration
- _2'' :: Duration
- _4'' :: Duration
- _8'' :: Duration
- _16'' :: Duration
- _32'' :: Duration
- _1'' :: Duration