;; (define-public (make-graceless-rhythmic-location loc)
;; (define-public rhythmic-location-measure-position cdr)
;; (define-public rhythmic-location-bar-number car)
;; (define-public (rhythmic-location<? a b)
;; (define-public (make-graceless-rhythmic-location loc)
;; (define-public rhythmic-location-measure-position cdr)
;; (define-public rhythmic-location-bar-number car)
;; (define-public (rhythmic-location<? a b)