======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '489'
                                          'artist'  'Boney M.'
                                     'text_people'  ''
                                         'release'  "CD3 The Best 12'' Versions"
                                           'title'  "Young, Free And Single (12'' Version)"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', '70s', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '08'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '128.008'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "CD3 The Best 12'' Versions"
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         "Young, Free And Single (12'' Version)"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Boney M.'
'TPE2' (Band/orchestra/accompaniment)               'Boney M.'
'TRCK' (Track number/Position in set)               '07/08'
'TXXX:DISCID'                                       '640EFB08'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'dance', '70s', 'pop', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.448830'

========================== row from database ==========================
                                              'id'  1533243
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Boney M. - Boney M/2008.The Collection/CD3. The Best 12__ Versions/7.Young, Free And Single (12__ Version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  489
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  19675203
                                           'mtime'  1620533650
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 2008.The Collection CD3. 12__ 7.Young, (12__ electronic we disco or italo
                                      'tag_artist'  Boney M.
                                     'tag_release'  CD3 The Best 12'' Versions
                                       'tag_title'  Young, Free And Single (12'' Version)
                                             'bpm'  128.008
                                    'search_title'  '12':6,7 'and':4 'free':3 'single':5 'version':8,9 'young':1,2
                                   'search_artist'  'boney':1 'm':2,3
                                  'search_release'  '12':4,5 'best':3 'cd3':1 'the':2 'versions':6
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '12':12,16 '2008':6 '2008the':8 '7':13 '7young':15 'cd3':10,11 'collection':9 'disco':3 'electronic':17 'italo':5 'or':19 'the':7 'waves':2 'we':18 'young':14
                                    'search_combo'  '00disco':22 '00poprockelectronic':19 '12':6A,7A,16C,17C,30,34 '2008':24 '2008the':26 '7':31 '7young':33 'and':4A 'best':15C 'boney':10B 'cd3':13C,28,29 'collection':27 'disco':21 'electronic':35 'free':3A 'italo':23 'm':11B,12B 'or':37 'single':5A 'the':14C,25 'version':8A,9A 'versions':18C 'waves':20 'we':36 'young':1A,2A,32
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', '70s', 'pop', 'disco']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533649.6233735  (2021-05-09 06:14:09)
                             'size'  19675203