======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '201'
                                          'artist'  'Paul Whiteman & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Christmas Night in Harlem'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['20s', 'jazz', '1920s', 'dixieland', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing;set-th-christmas'
                                             'bpm'  '120.256'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #15 on Various Charts. Source: Pop Memories. \r\n'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #15'
'TBPM' (BPM (beats per minute))                     '120.256'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-swing', 'set-th-christmas']
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Christmas Night in Harlem'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Whiteman & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Paul Whiteman & His Orchestra'
'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'                                   ['20s', 'jazz', '1920s', 'dixieland', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.01 dB'
'TXXX:replaygain_track_peak'                        '0.473365'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1934_222')

========================== row from database ==========================
                                              'id'  672184
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/1934_222 - paul whiteman & his orchestra - christmas night in harlem (112 m 3.19).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  201
                                           'genre'  prerock-swing;set-th-christmas
                                        'filesize'  2789887
                                           'mtime'  1674646556
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 1934_222 paul whiteman his orchestra christmas night harlem (112 3.19) prerock swing;set th christmas
                                      'tag_artist'  Paul Whiteman & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Christmas Night in Harlem
                                             'bpm'  120.256
                                    'search_title'  'christmas':1 'harlem':4 'in':3 'night':2
                                   'search_artist'  'his':3 'orchestra':4 'paul':1 'whiteman':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '112':16,17 '19':19 '1934':6,7 '222':8 '3':18 '319':20 'christmas':13 'country':4 'exotica':2 'harlem':15 'his':11 'jazz':1 'night':14 'oldies':3 'orchestra':12 'paul':9 'prerock':21 'set':23,25 'swing':22,24 'th':26 'whiteman':10
                                    'search_combo'  '00oldiepop':13 '112':24,25 '19':27 '1934':14,15 '222':16 '3':26 '319':28 'christmas':1A,21 'country':12 'exotica':10 'harlem':4A,23 'his':7B,19 'in':3A 'jazz':9 'night':2A,22 'oldies':11 'orchestra':8B,20 'paul':5B,17 'prerock':29 'set':31,33 'swing':30,32 'th':34 'whiteman':6B,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['20s', 'jazz', '1920s', 'dixieland', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646555.7541633  (2023-01-25 12:35:55)
                             'size'  2789887