5,184 Cambridge Surprise Major

Donald F Morrison (no. 6616)
 23456   M  W      H
 65234   -  -  zT  -
 23645   s  -      x
(36524)  -  -   a
 42365   -  s      x
Repeat five times.
x = 16;
z = 1256.
a = sF,H,V,sB.

Contains all 24 each 56s and 65s.
Tenors together throughout, albeit not always the right way around.
Goverment health warning to those with aural allergies: also contains 24 backstroke 87s.