======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '188'
                                          'artist'  'Nat King Cole'
                                     'text_people'  ''
                                         'release'  'US-Billboard-Charts'
                                           'title'  'The Christmas Song (Merry Chri'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'jazz vocal', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '106'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'set-th-christmas'
                                             'bpm'  '143.721'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-323 POS 29'
'COMM:ID3v1 Comment:XXX'                            '54-323 POS 29'
'TALB' (Album/Movie/Show title)                     'US-Billboard-Charts'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'set-th-christmas'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'The Christmas Song (Merry Chri'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nat King Cole'
'TRCK' (Track number/Position in set)               '106'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'jazz vocal', 'oldies', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.503293'

========================== row from database ==========================
                                              'id'  1514873
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-323 - Nat __King__ Cole - The Christmas Song (Merry Christmas To You).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  188
                                           'genre'  set-th-christmas
                                        'filesize'  7553260
                                           'mtime'  1676045735
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 323 __King__ To You) set th christmas
                                      'tag_artist'  Nat King Cole
                                     'tag_release'  US-Billboard-Charts
                                       'tag_title'  The Christmas Song (Merry Chri
                                             'bpm'  143.721
                                    'search_title'  'chri':6 'christmas':2 'merry':4,5 'song':3 'the':1
                                   'search_artist'  'cole':3 'king':2 'nat':1
                                  'search_release'  'billboard':2 'charts':3 'us':1 'usbillboardcharts':4
                                     'search_rest'  '00oldiepop':5 '1954':6 '323':8 '54':7 'christmas':15 'country':4 'exotica':2 'jazz':1 'king':9 'oldies':3 'set':13 'th':14 'to':10 'you':11,12
                                    'search_combo'  '00oldiepop':18 '1954':19 '323':21 '54':20 'billboard':11C 'charts':12C 'chri':6A 'christmas':2A,28 'cole':9B 'country':17 'exotica':15 'jazz':14 'king':8B,22 'merry':4A,5A 'nat':7B 'oldies':16 'set':26 'song':3A 'th':27 'the':1A 'to':23 'us':10C 'usbillboardcharts':13C 'you':24,25
                                    'tag_tracknum'  106
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['blues', 'jazz', 'jazz vocal', 'oldies', 'swing']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676045734.9045262  (2023-02-10 17:15:34)
                             'size'  7553260