======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '137'
                                          'artist'  'Dion and The Belmonts'
                                     'text_people'  ''
                                         'release'  'Dion & The Belmonts EP Collection...Plus'
                                           'title'  'Dream Lover'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['doo wop', 'oldies', '50s', 'rockabilly', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  '28'
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '143.213'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 0000030A 00000000 00000C35 00000000 0001709D 00000000 00003F6E 00000010 '
 '0001601B 000032CB')
'PRIV:AverageLevel:Z\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'Z\r\x00\x00')
'PRIV:PeakValue:n?\x00\x00'                         PRIV(owner='PeakValue', data=b'n?\x00\x00')
'TALB' (Album/Movie/Show title)                     'Dion & The Belmonts EP Collection...Plus'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'Dream Lover'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dion'
'TPE2' (Band/orchestra/accompaniment)               'Dion and The Belmonts'
'TRCK' (Track number/Position in set)               '23/28'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['doo wop', 'oldies', '50s', 'rockabilly', '60s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.16 dB'
'TXXX:replaygain_track_peak'                        '0.700831'

========================== row from database ==========================
                                              'id'  1284472
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/dion and the belmonts - dream lover(2).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  137
                                           'genre'  prerock-unsorted
                                        'filesize'  2217639
                                           'mtime'  1620388056
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] dion the belmonts dream lover(2) prerock unsorted
                                      'tag_artist'  Dion and The Belmonts
                                     'tag_release'  Dion & The Belmonts EP Collection...Plus
                                       'tag_title'  Dream Lover
                                             'bpm'  143.213
                                    'search_title'  'dream':1 'lover':2
                                   'search_artist'  'and':2 'belmonts':4 'dion':1 'the':3
                                  'search_release'  'belmonts':3 'collection':5 'collectionplus':7 'dion':1 'ep':4 'plus':6 'the':2
                                     'search_rest'  '00poprockelectronic':1 '2':12 'belmonts':9 'dion':7 'dream':10 'files':5,6 'loose':3,4 'lover':11 'lover2':13 'prerock':14 'the':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '2':25 'and':4B 'belmonts':6B,9C,22 'collection':11C 'collectionplus':13C 'dion':3B,7C,20 'dream':1A,23 'ep':10C 'files':18,19 'loose':16,17 'lover':2A,24 'lover2':26 'plus':12C 'prerock':27 'the':5B,8C,21 'unsorted':15
                                    'tag_tracknum'  23
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['doo wop', 'oldies', '50s', 'rockabilly', '60s']
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620388055.9142914  (2021-05-07 13:47:35)
                             'size'  2217639