======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'The Extra Glenns'
                                     'text_people'  ''
                                         'release'  'Martial Arts Weekend'
                                           'title'  'Ultra Violet'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie folk', 'lo fi', 'indie rock', 'folk']"
                                     'discogstags'  "['indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '120.8'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000649 00000000 00002A42 00000000 0001D4D7 00000000 0000660F 00000000 '
 '000186B7 00000000')
'TALB' (Album/Movie/Show title)                     'Martial Arts Weekend'
'TBPM' (BPM (beats per minute))                     '120.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Ultra Violet'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Extra Glenns'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['indie rock', 'rock']
'TXXX:lastfmtags'                                   ['indie', 'indie folk', 'lo fi', 'indie rock', 'folk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.538520'

========================== row from database ==========================
                                              'id'  1276742
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Extra Glenns/Martial Arts Weekend/03 - ultra violet.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3461112
                                           'mtime'  1636759851
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 ultra violet ifs songwriter indie unsorted
                                      'tag_artist'  The Extra Glenns
                                     'tag_release'  Martial Arts Weekend
                                       'tag_title'  Ultra Violet
                                             'bpm'  120.8
                                    'search_title'  'ultra':1 'violet':2
                                   'search_artist'  'extra':2 'glenns':3 'the':1
                                  'search_release'  'arts':2 'martial':1 'weekend':3
                                     'search_rest'  '00singer':1 'eos':3 'ifs':6 'indie':7 'songwriter':2 'ultra':4 'unsorted':8 'violet':5
                                    'search_combo'  '00singer':9 'arts':7C 'eos':11 'extra':4B 'glenns':5B 'ifs':14 'indie':15 'martial':6C 'songwriter':10 'the':3B 'ultra':1A,12 'unsorted':16 'violet':2A,13 'weekend':8C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie folk', 'lo fi', 'indie rock', 'folk']
                                        'tag_date'  2002
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1636759850.8968244  (2021-11-13 00:30:50)
                             'size'  3461112