======================== unified (from filesystem) ========================
                                         'bitrate'  '246.301'
                                        'duration'  '200'
                                          'artist'  'Taking Back Sunday'
                                     'text_people'  ''
                                         'release'  'Louder Now [Deluxe Cab Edition]'
                                           'title'  'Sleep'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'emo', 'punk', 'alternative', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '14'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '128.008'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Louder Now [Deluxe Cab Edition]'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Sleep'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Taking Back Sunday'
'TRCK' (Track number/Position in set)               '13/14'
'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'
'TXXX:lastfmtags'                                   ['indie', 'emo', 'punk', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.68 dB'
'TXXX:replaygain_track_peak'                        '0.403373'

========================== row from database ==========================
                                              'id'  1247747
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Taking Back Sunday/2006 - Louder Now/13. Sleep.mp3
                                         'working'  None
                                         'bitrate'  246
                                    'duration_sec'  200
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6170496
                                           'mtime'  1638554815
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2006 13. ifs songwriter indie rock
                                      'tag_artist'  Taking Back Sunday
                                     'tag_release'  Louder Now [Deluxe Cab Edition]
                                       'tag_title'  Sleep
                                             'bpm'  128.008
                                    'search_title'  'sleep':1
                                   'search_artist'  'back':2 'sunday':3 'taking':1
                                  'search_release'  'cab':5 'deluxe':3,4 'edition':6,7 'louder':1 'now':2
                                     'search_rest'  '00singer':1 '13':5,6 '2006':4 'eos':3 'ifs':7 'indie':8 'rock':9 'songwriter':2
                                    'search_combo'  '00singer':12 '13':16,17 '2006':15 'back':3B 'cab':9C 'deluxe':7C,8C 'edition':10C,11C 'eos':14 'ifs':18 'indie':19 'louder':5C 'now':6C 'rock':20 'sleep':1A 'songwriter':13 'sunday':4B 'taking':2B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'emo', 'punk', 'alternative', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638554815.297392  (2021-12-03 19:06:55)
                             'size'  6170496