======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'Red Lorry Yellow Lorry'
                                     'text_people'  ''
                                         'release'  'Smashed Hits'
                                           'title'  'Feel a Piece'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'gothic rock', 'post punk', 'gothic', 'goth']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '123.256'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Smashed Hits'
'TBPM' (BPM (beats per minute))                     '123.256'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Feel a Piece'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Lorry Yellow Lorry'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['80s', 'gothic rock', 'post punk', 'gothic', 'goth']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.517869'

========================== row from database ==========================
                                              'id'  159934
                                            'path'  /data/Music/Bulk/00dwimp/Red Lorry Yellow Lorry/red lorry 07 feel a piece.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  3798957
                                           'mtime'  1620300825
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp red lorry 07 feel piece eid goth gothrock gothrock
                                      'tag_artist'  Red Lorry Yellow Lorry
                                     'tag_release'  Smashed Hits
                                       'tag_title'  Feel a Piece
                                             'bpm'  123.256
                                    'search_title'  'a':2 'feel':1 'piece':3
                                   'search_artist'  'lorry':2 'red':1 'yellow':3
                                  'search_release'  'hits':2 'smashed':1
                                     'search_rest'  '00dwimp':1 'eid':6 'feel':4 'goth':7 'gothrock':8 'lorry':3 'piece':5 'red':2
                                    'search_combo'  '00dwimp':9 'a':2A 'eid':14 'feel':1A,12 'goth':15 'gothrock':16 'hits':8C 'lorry':5B,11 'piece':3A,13 'red':4B,10 'smashed':7C 'yellow':6B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'gothic rock', 'post punk', 'gothic', 'goth']
                                        'tag_date'  1987
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300824.669104  (2021-05-06 13:33:44)
                             'size'  3798957