======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '124'
                                          'artist'  'The Fontane Sisters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "(I'm Getting) Nuttin' For 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-4', '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'  "['heart of stone', 'female vocalists', '50s', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '184'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-swing;set-th-christmas'
                                             'bpm'  '101.666'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TBPM' (BPM (beats per minute))                     '101.666'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-swing', 'set-th-christmas']
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "(I'm Getting) Nuttin' For Christmas"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Fontane Sisters'
'TRCK' (Track number/Position in set)               '184'
'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'                                   ['heart of stone', 'female vocalists', '50s', 'oldies', 'swing']
'TXXX:q-bass'                                       '4'
'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'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.596643'

========================== row from database ==========================
                                              'id'  1507397
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-184 - The Fontane Sisters - (I_m Getting) Nuttin_ For Christmas.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  124
                                           'genre'  prerock-swing;set-th-christmas
                                        'filesize'  4966272
                                           'mtime'  1674646565
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 184 (I_m Nuttin_ prerock swing;set th christmas
                                      'tag_artist'  The Fontane Sisters
                                     'tag_release'  None
                                       'tag_title'  (I'm Getting) Nuttin' For Christmas
                                             'bpm'  101.666
                                    'search_title'  'christmas':9 'for':8 'getting':4,5 'i':1 'im':3 'm':2 'nuttin':6,7
                                   'search_artist'  'fontane':2 'sisters':3 'the':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '184':7 '1955':6 'christmas':19 'country':4 'exotica':2 'i':8,10 'jazz':1 'm':9,11 'nuttin':12 'oldies':3 'prerock':13 'set':15,17 'swing':14,16 'th':18
                                    'search_combo'  '00oldiepop':17 '184':19 '1955':18 'christmas':9A,31 'country':16 'exotica':14 'fontane':11B 'for':8A 'getting':4A,5A 'i':1A,20,22 'im':3A 'jazz':13 'm':2A,21,23 'nuttin':6A,7A,24 'oldies':15 'prerock':25 'set':27,29 'sisters':12B 'swing':26,28 'th':30 'the':10B
                                    'tag_tracknum'  184
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-4', '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'  ['heart of stone', 'female vocalists', '50s', 'oldies', 'swing']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646565.001529  (2023-01-25 12:36:05)
                             'size'  4966272