(define-public (tab-note-head::print grob)
(define (is-harmonic? grob)
(let ((arts (ly:event-property (event-cause grob) 'articulations)))
(define-public (tab-note-head::print grob)
(define (is-harmonic? grob)
(let ((arts (ly:event-property (event-cause grob) 'articulations)))