Picket line call (5)
I believe the answer is:
chant
(Other definitions for chant that I've seen before include "Sing" , "Intone - recite" , "Repeated rhythmic phrase" , "Toil" , "Gregorian song?" .)
I believe the answer is:
chant
(Other definitions for chant that I've seen before include "Sing" , "Intone - recite" , "Repeated rhythmic phrase" , "Toil" , "Gregorian song?" .)