======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '253'
                                          'artist'  'Len Spencer'
                                     'text_people'  ''
                                         'release'  'Edison Amberol   181'
                                           'title'  'Arkansas Traveler (long version) 1909'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1909'
                                        'comments'  ''
                                           'genre'  'prerock-nonmusic'
                                             'bpm'  '140.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison Amberol   181'
'TBPM' (BPM (beats per minute))                     '140.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-nonmusic'
'TDRC' (Recording time)                             '1909'
'TIT2' (Title/songname/content description)         'Arkansas Traveler (long version) 1909'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Len Spencer'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'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'                        '+2.55 dB'
'TXXX:replaygain_track_peak'                        '0.633435'

========================== row from database ==========================
                                              'id'  1461500
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1909/Len Spencer - Arkansas Traveller 1909 long version.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  253
                                           'genre'  prerock-nonmusic
                                        'filesize'  5112416
                                           'mtime'  1676126707
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Traveller prerock nonmusic
                                      'tag_artist'  Len Spencer
                                     'tag_release'  Edison Amberol   181
                                       'tag_title'  Arkansas Traveler (long version) 1909
                                             'bpm'  140.2
                                    'search_title'  '1909':7 'arkansas':1 'long':3,4 'traveler':2 'version':5,6
                                   'search_artist'  'len':1 'spencer':2
                                  'search_release'  '181':3 'amberol':2 'edison':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'nonmusic':8 'oldies':3 'prerock':7 'traveller':6
                                    'search_combo'  '00oldiepop':17 '181':12C '1909':7A 'amberol':11C 'arkansas':1A 'country':16 'edison':10C 'exotica':14 'jazz':13 'len':8B 'long':3A,4A 'nonmusic':20 'oldies':15 'prerock':19 'spencer':9B 'traveler':2A 'traveller':18 'version':5A,6A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-1', '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'  ['q-vocals-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1909
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676126707.0543537  (2023-02-11 15:45:07)
                             'size'  5112416