======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '174'
                                          'artist'  'Johnny Mercer & the Pied Pipers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Winter Wonderland'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['singer-songwriter', 'american', '40s', 'dixieland', 'schellack-schatz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-swing;set-th-christmas'
                                             'bpm'  '142.708'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['Debuted 1946 and peaked at #4 on Various Charts. Source: Pop Hits',
 'Debuted 1946 and peaked at # on Various Charts. Label/Number: Capitol 3169. '
 'Billboard Pop Charts (1940-1954)\r\n']
'COMM:ID3v1 Comment:XXX'                            'Debuted 1946 and peaked at #4'
'COMM:MusicMatch_Preference:eng'                    'None'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-swing', 'set-th-christmas']
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         'Winter Wonderland'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '174000'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Mercer & the Pied Pipers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['singer-songwriter', 'american', '40s', 'dixieland', 'schellack-schatz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.549775'
'UFID:'                                             UFID(owner='', data=b'XL\x00 CH1946_004')

========================== row from database ==========================
                                              'id'  1448663
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1946/ch1946_004 - johnny mercer & the pied pipers - winter wonderland 80 m (2.54).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  174
                                           'genre'  prerock-swing;set-th-christmas
                                        'filesize'  1744901
                                           'mtime'  1674646561
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1946 ch1946_004 johnny mercer pied pipers winter wonderland 80 m (2.54) prerock swing;set christmas
                                      'tag_artist'  Johnny Mercer & the Pied Pipers
                                     'tag_release'  None
                                       'tag_title'  Winter Wonderland
                                             'bpm'  142.708
                                    'search_title'  'winter':1 'wonderland':2
                                   'search_artist'  'johnny':1 'mercer':2 'pied':4 'pipers':5 'the':3
                                  'search_release'  
                                     'search_rest'  '004':8 '00oldiepop':5 '1946':6 '2':17 '254':19 '54':18 '80':15 'ch1946':7 'christmas':25 'country':4 'exotica':2 'jazz':1 'johnny':9 'm':16 'mercer':10 'oldies':3 'pied':11 'pipers':12 'prerock':20 'set':22,24 'swing':21,23 'winter':13 'wonderland':14
                                    'search_combo'  '004':15 '00oldiepop':12 '1946':13 '2':24 '254':26 '54':25 '80':22 'ch1946':14 'christmas':32 'country':11 'exotica':9 'jazz':8 'johnny':3B,16 'm':23 'mercer':4B,17 'oldies':10 'pied':6B,18 'pipers':7B,19 'prerock':27 'set':29,31 'swing':28,30 'the':5B 'winter':1A,20 'wonderland':2A,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['singer-songwriter', 'american', '40s', 'dixieland', 'schellack-schatz']
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646560.98966  (2023-01-25 12:36:00)
                             'size'  1744901