======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '484'
                                          'artist'  'Indigo Girls'
                                     'text_people'  ''
                                         'release'  '1200 Curfews (disc 1)'
                                           'title'  'Tangled Up in Blue'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '128.495'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1200 Curfews (disc 1)'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Tangled Up in Blue'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Indigo Girls'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.733723'

========================== row from database ==========================
                                              'id'  252385
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Indigo Girls/1200 Curfews (disc 1)__10 - Tangled Up in Blue.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  484
                                           'genre'  ifs-songwriter
                                        'filesize'  7749330
                                           'mtime'  1637330790
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1)__10 ifs songwriter
                                      'tag_artist'  Indigo Girls
                                     'tag_release'  1200 Curfews (disc 1)
                                       'tag_title'  Tangled Up in Blue
                                             'bpm'  128.495
                                    'search_title'  'blue':4 'in':3 'tangled':1 'up':2
                                   'search_artist'  'girls':2 'indigo':1
                                  'search_release'  '1':5,6 '1200':1 'curfews':2 'disc':3,4
                                     'search_rest'  '00singer':1 '1':4,6 '10':5,7 'eos':3 'ifs':8 'songwriter':2
                                    'search_combo'  '00singer':13 '1':11C,12C,16,18 '10':17,19 '1200':7C 'blue':4A 'curfews':8C 'disc':9C,10C 'eos':15 'girls':6B 'ifs':20 'in':3A 'indigo':5B 'songwriter':14 'tangled':1A 'up':2A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           '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-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330790.344163  (2021-11-19 15:06:30)
                             'size'  7749330