question: get an array of midi tracks used in this sequence . concode_field_sep float SMPTE_24 concode_elem_sep float divisionType concode_elem_sep float SMPTE_25 concode_elem_sep float PPQ concode_elem_sep float SMPTE_30 concode_elem_sep int resolution concode_elem_sep Vector tracks concode_elem_sep float SMPTE_30DROP concode_field_sep int getResolution concode_elem_sep long getMicrosecondLength concode_elem_sep Patch[] getPatchList concode_elem_sep void init concode_elem_sep long getTickLength concode_elem_sep boolean deleteTrack concode_elem_sep Track createTrack concode_elem_sep float getDivisionType
target: Track [ ] function ( ) { return ( Track [ ] ) tracks . toArray ( new Track [ tracks . size ( ) ] ) ; }