======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '408'
                                          'artist'  'Billy Ocean'
                                     'text_people'  ''
                                         'release'  'Suddenly (Expanded Edition)'
                                           'title'  'Mystery Lady (Extended Version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'soul', 'pop', 'loverboy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '13'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '109.349'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Suddenly (Expanded Edition)'
'TBPM' (BPM (beats per minute))                     '109.349'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Mystery Lady (Extended Version)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Ocean'
'TRCK' (Track number/Position in set)               '12/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'soul', 'pop', 'loverboy']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.08 dB'
'TXXX:replaygain_track_peak'                        '0.374909'

========================== row from database ==========================
                                              'id'  1320649
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/203-C Billy Ocean - Mystery Lady (extended version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  408
                                           'genre'  funk or soul
                                        'filesize'  16435788
                                           'mtime'  1621695983
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 203 C (extended version) funk or soul
                                      'tag_artist'  Billy Ocean
                                     'tag_release'  Suddenly (Expanded Edition)
                                       'tag_title'  Mystery Lady (Extended Version)
                                             'bpm'  109.349
                                    'search_title'  'extended':3,4 'lady':2 'mystery':1 'version':5,6
                                   'search_artist'  'billy':1 'ocean':2
                                  'search_release'  'edition':4,5 'expanded':2,3 'suddenly':1
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '203':4 'c':5 'complete':3 'extended':6,7 'funk':10 'or':11 'soul':12 'version':8,9
                                    'search_combo'  '00poprockelectronic':14 '1985':15 '203':17 'billy':7B 'c':18 'complete':16 'edition':12C,13C 'expanded':10C,11C 'extended':3A,4A,19,20 'funk':23 'lady':2A 'mystery':1A 'ocean':8B 'or':24 'soul':25 'suddenly':9C 'version':5A,6A,21,22
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'soul', 'pop', 'loverboy']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695983.0887406  (2021-05-22 17:06:23)
                             'size'  16435788