======================== unified (from filesystem) ========================
                                         'bitrate'  '179.435'
                                        'duration'  '156'
                                          'artist'  'Avenue Q'
                                     'text_people'  ''
                                         'release'  'Avenue Q (Original Broadway Cast Recording)'
                                           'title'  'Special'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['musical', 'comedy', 'soundtrack', 'broadway', 'avenue q']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '21'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '101.666'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000077F 0000089D 000040C7'
'COMM:iTunNORM:eng'                                 (' 0000077F 0000089D 000040C7 00003B05 00021E4D 00021E4D 00005C14 000059A4 '
 '00018451 0001F92B')
'TALB' (Album/Movie/Show title)                     'Avenue Q (Original Broadway Cast Recording)'
'TBPM' (BPM (beats per minute))                     '101.666'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Special'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Avenue Q'
'TRCK' (Track number/Position in set)               '09/21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['musical', 'comedy', 'soundtrack', 'broadway', 'avenue q']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.43 dB'
'TXXX:replaygain_track_peak'                        '0.331057'

========================== row from database ==========================
                                              'id'  387306
                                            'path'  /data/Music/Bulk/0soundtrack/Avenue Q/[2003] Avenue Q (Original Broadway Cast Recording)/09 Special.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  156
                                           'genre'  soundtrack-video
                                        'filesize'  3522381
                                           'mtime'  1636923597
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [2003] 09 soundtrack video
                                      'tag_artist'  Avenue Q
                                     'tag_release'  Avenue Q (Original Broadway Cast Recording)
                                       'tag_title'  Special
                                             'bpm'  101.666
                                    'search_title'  'special':1
                                   'search_artist'  'avenue':1 'q':2
                                  'search_release'  'avenue':1 'broadway':5 'cast':6 'original':3,4 'q':2 'recording':7,8
                                     'search_rest'  '0soundtrack':1 '2003':2,3 'soundtrack':4 'video':5
                                    'search_combo'  '0soundtrack':12 '2003':13,14 'avenue':2B,4C 'broadway':8C 'cast':9C 'original':6C,7C 'q':3B,5C 'recording':10C,11C 'soundtrack':15 'special':1A 'video':16
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['musical', 'comedy', 'soundtrack', 'broadway', 'avenue q']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636923596.5338948  (2021-11-14 21:59:56)
                             'size'  3522381