======================== unified (from filesystem) ========================
                                         'bitrate'  '160.003'
                                        'duration'  '336'
                                          'artist'  'Moloko'
                                     'text_people'  ''
                                         'release'  'Things To Make And Do'
                                           'title'  'Indigo'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '135.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:ID3v1 Comment:eng'                            'ogg had 160 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'Things To Make And Do'
'TBPM' (BPM (beats per minute))                     '135.1'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Indigo'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Moloko'
'TRCK' (Track number/Position in set)               '4'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'

========================== row from database ==========================
                                              'id'  1538299
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/zUnsorted/Moloko - Indigo.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  336
                                           'genre'  
                                        'filesize'  6747345
                                           'mtime'  1662800293
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] zUnsorted
                                      'tag_artist'  Moloko
                                     'tag_release'  Things To Make And Do
                                       'tag_title'  Indigo
                                             'bpm'  135.1
                                    'search_title'  'indigo':1
                                   'search_artist'  'moloko':1
                                  'search_release'  'and':4 'do':5 'make':3 'things':1 'to':2
                                     'search_rest'  '0yay1':2,3 'prev':5 'prevset':1 'set':6 'unsorted':8 'z':7 'zunsorted':4
                                    'search_combo'  '0yay1':9,10 'and':6C 'do':7C 'indigo':1A 'make':5C 'moloko':2B 'prev':12 'prevset':8 'set':13 'things':3C 'to':4C 'unsorted':15 'z':14 'zunsorted':11
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800293.0731525  (2022-09-10 10:58:13)
                             'size'  6747345