======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '187'
                                          'artist'  'Bing Crosby'
                                     'text_people'  ''
                                         'release'  'Billboard Greatest Christmas Hits (1935-1954)'
                                           'title'  'White Christmas'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['crooners', 'jazz', 'christmas', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'set-th-christmas'
                                             'bpm'  '142.708'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-084 POS 21'
'COMM:ID3v1 Comment:XXX'                            '54-084 POS 21'
'TALB' (Album/Movie/Show title)                     'Billboard Greatest Christmas Hits (1935-1954)'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'set-th-christmas'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'White Christmas'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bing Crosby'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['crooners', 'jazz', 'christmas', 'oldies', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.696901'

========================== row from database ==========================
                                              'id'  1435182
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-084 - Bing Crosby - White Christmas.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  187
                                           'genre'  set-th-christmas
                                        'filesize'  7495883
                                           'mtime'  1676045636
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 084 set th christmas
                                      'tag_artist'  Bing Crosby
                                     'tag_release'  Billboard Greatest Christmas Hits (1935-1954)
                                       'tag_title'  White Christmas
                                             'bpm'  142.708
                                    'search_title'  'christmas':2 'white':1
                                   'search_artist'  'bing':1 'crosby':2
                                  'search_release'  '1935':5 '19351954':7 '1954':6 'billboard':1 'christmas':3 'greatest':2 'hits':4
                                     'search_rest'  '00oldiepop':5 'christmas':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':6 'th':7
                                    'search_combo'  '00oldiepop':16 '1935':9C '19351954':11C '1954':10C 'billboard':5C 'bing':3B 'christmas':2A,7C,19 'country':15 'crosby':4B 'exotica':13 'greatest':6C 'hits':8C 'jazz':12 'oldies':14 'set':17 'th':18 'white':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['crooners', 'jazz', 'christmas', 'oldies', 'swing']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676045636.28201  (2023-02-10 17:13:56)
                             'size'  7495883