And then one of the musicians started plucking the strings of his guitar.
(one of the musicians; started; plucking the strings of his guitar; T:then) Context(one of the musicians started,List([9, 37))):(one of the musicians; started plucking; the strings of his guitar)
one of the musicians started,List([9, 37))
one of the musicians one of the musicians
started started plucking
plucking the strings of his guitar T:then
the strings of his guitar