======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '353'
                                          'artist'  'Bright Eyes'
                                     'text_people'  ''
                                         'release'  'Cassadaga'
                                           'title'  'Lime Tree'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'emo', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'country rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-indie-pop;ifs-songwriter-folk'
                                             'bpm'  '104.2'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000053B 00000586 0000672C 000069BC 00007A0A 00007A0A 00007A62 00007A42 '
 '00028653 00022F7D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000774 0000000000EE0EFC 00000000 00817FD7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+BF490ABFC85288499970C5111B2D82CE+8908651'
'TALB' (Album/Movie/Show title)                     'Cassadaga'
'TBPM' (BPM (beats per minute))                     '104.2'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-indie-pop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.1.1'
'TIT2' (Title/songname/content description)         'Lime Tree'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bright Eyes'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'country rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'emo', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.06 dB'
'TXXX:replaygain_track_peak'                        '0.475072'

========================== row from database ==========================
                                              'id'  1338101
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bright Eyes/Cassadaga/13 lime tree.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  353
                                           'genre'  ifs-songwriter;ifs-songwriter-indie-pop;ifs-songwriter-folk
                                        'filesize'  8507900
                                           'mtime'  1636401299
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 13 lime tree ifs songwriter;ifs songwriter indie pop;ifs songwriter folk
                                      'tag_artist'  Bright Eyes
                                     'tag_release'  Cassadaga
                                       'tag_title'  Lime Tree
                                             'bpm'  104.2
                                    'search_title'  'lime':1 'tree':2
                                   'search_artist'  'bright':1 'eyes':2
                                  'search_release'  'cassadaga':1
                                     'search_rest'  '00poprockelectronic':1 'folk':15 'ifs':4,6,8,12,14 'indie':10 'lime':2 'pop':11,13 'songwriter':5,7,9 'tree':3
                                    'search_combo'  '00poprockelectronic':6 'bright':3B 'cassadaga':5C 'eyes':4B 'folk':20 'ifs':9,11,13,17,19 'indie':15 'lime':1A,7 'pop':16,18 'songwriter':10,12,14 'tree':2A,8
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'emo', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'country rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636401298.6696942  (2021-11-08 20:54:58)
                             'size'  8507900