Fingerboard_cello_system_e31.Scalesval lower_c : Fingerboard.Located_note.tval lower_c_sharp : Fingerboard.Located_note.tval lower_d_flat : Fingerboard.Located_note.tval lower_d : Fingerboard.Located_note.tval lower_e_flat : Fingerboard.Located_note.tval lower_e : Fingerboard.Located_note.tval lower_f : Fingerboard.Located_note.tval lower_f_sharp : Fingerboard.Located_note.tval lower_g_flat : Fingerboard.Located_note.tval lower_g : Fingerboard.Located_note.tval lower_a_flat : Fingerboard.Located_note.tval lower_a : Fingerboard.Located_note.tval lower_b_flat : Fingerboard.Located_note.tval lower_b : Fingerboard.Located_note.t