[14] In singing, these may be omitted.
[15] In singing, these may be omitted.
[16] In singing, these may be omitted.
[17] May be omitted in singing.
[18] Or any other suitable hill.
[19] May be omitted in singing.
[20] May be omitted in singing.
[21] May be omitted in singing.
[22] May be omitted in singing.
[23] May be omitted in singing.