======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '229'
                                          'artist'  'Bruce Springsteen'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Glory Days'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'classic rock', 'singer songwriter', 'folk', 'rock']"
                                     'discogstags'  "['rock', 'folk rock', 'pop rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '117.740'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '117.740'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Glory Days'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Springsteen'
'TRCK' (Track number/Position in set)               '02'
'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', 'folk rock', 'pop rock', 'classic rock']
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'singer songwriter', 'folk', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.439601'

========================== row from database ==========================
                                              'id'  1317148
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/167-A Bruce Springsteen - Glory Days (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  229
                                           'genre'  rock-cppex
                                        'filesize'  9175164
                                           'mtime'  1647276825
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 167 A (single version) rock cppex
                                      'tag_artist'  Bruce Springsteen
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Glory Days
                                             'bpm'  117.74
                                    'search_title'  'days':2 'glory':1
                                   'search_artist'  'bruce':1 'springsteen':2
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 '167':4 '1985':2 'a':5 'complete':3 'cppex':11 'rock':10 'single':6,7 'version':8,9
                                    'search_combo'  '00poprockelectronic':7 '167':10 '1985':8 'a':11 'bruce':3B 'complete':9 'cppex':17 'days':2A 'glory':1A 'greatest':5C 'hits':6C 'rock':16 'single':12,13 'springsteen':4B 'version':14,15
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'singer songwriter', 'folk', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'folk rock', 'pop rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1647276825.0425422  (2022-03-14 17:53:45)
                             'size'  9175164