======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '179'
                                          'artist'  'Georges Boulanger'
                                     'text_people'  ''
                                         'release'  'Odeon O-31381'
                                           'title'  'Was Ein Zigeuner Fuhlt (tango & czardas)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['violin', '20s', 'gypsy', 'classical', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1939'
                                        'comments'  ''
                                           'genre'  'prerock-gypsy'
                                             'bpm'  '137.5'
                                             '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)                     'Odeon O-31381'
'TBPM' (BPM (beats per minute))                     '137.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-gypsy'
'TDRC' (Recording time)                             '1939'
'TIT2' (Title/songname/content description)         'Was Ein Zigeuner Fuhlt (tango & czardas)'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '179000'
'TPE1' (Lead performer(s)/Soloist(s))               'Georges Boulanger'
'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:lastfmtags'                                   ['violin', '20s', 'gypsy', 'classical', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.659210'

========================== row from database ==========================
                                              'id'  1465353
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1939/Georges Boulanger - Was Ein Zigeuner Fuhlt (tango & czardas) 1939.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  179
                                           'genre'  prerock-gypsy
                                        'filesize'  3627867
                                           'mtime'  1676126590
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1939 1939 prerock gypsy
                                      'tag_artist'  Georges Boulanger
                                     'tag_release'  Odeon O-31381
                                       'tag_title'  Was Ein Zigeuner Fuhlt (tango & czardas)
                                             'bpm'  137.5
                                    'search_title'  'czardas':7,8 'ein':2 'fuhlt':4 'tango':5,6 'was':1 'zigeuner':3
                                   'search_artist'  'boulanger':2 'georges':1
                                  'search_release'  '31381':3 'o':2 'o31381':4 'odeon':1
                                     'search_rest'  '00oldiepop':5 '1939':6 'country':4 'exotica':2 'gypsy':8 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':19 '1939':20 '31381':13C 'boulanger':10B 'country':18 'czardas':7A,8A 'ein':2A 'exotica':16 'fuhlt':4A 'georges':9B 'gypsy':22 'jazz':15 'o':12C 'o31381':14C 'odeon':11C 'oldies':17 'prerock':21 'tango':5A,6A 'was':1A 'zigeuner':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']
                                      'lastfmtags'  ['violin', '20s', 'gypsy', 'classical', 'swing']
                                        'tag_date'  1939
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676126590.3436816  (2023-02-11 15:43:10)
                             'size'  3627867