======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'adam and the ants'
                                     'text_people'  ''
                                         'release'  'Music PM'
                                           'title'  'goody two shoes'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'new wave', 'post punk', 'punk', 'new romantic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-billboard'
                                             'bpm'  '95.8'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000009BA 00000000 000076D1 00'
'COMM:iTunNORM:eng'                                 (' 000009BA 00000000 000076D1 00000000 00015FA7 00000000 00008000 00000000 '
 '0000C350 00000000')
'TALB' (Album/Movie/Show title)                     'Music PM'
'TBPM' (BPM (beats per minute))                     '95.8'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'goody two shoes'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'adam and the ants'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'post punk', 'punk', 'new romantic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.699435'

========================== row from database ==========================
                                              'id'  726021
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music pm/adam and the ants - goody two shoes.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  electronic-unsorted;set-pl-billboard
                                        'filesize'  3358755
                                           'mtime'  1620384661
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music pm electronic unsorted;set pl billboard
                                      'tag_artist'  adam and the ants
                                     'tag_release'  Music PM
                                       'tag_title'  goody two shoes
                                             'bpm'  95.8
                                    'search_title'  'goody':1 'shoes':3 'two':2
                                   'search_artist'  'adam':1 'and':2 'ants':4 'the':3
                                  'search_release'  'music':1 'pm':2
                                     'search_rest'  'billboard':9 'electronic':3 'music':1 'pl':8 'pm':2 'set':5,7 'unsorted':4,6
                                    'search_combo'  'adam':4B 'and':5B 'ants':7B 'billboard':18 'electronic':12 'goody':1A 'music':8C,10 'pl':17 'pm':9C,11 'set':14,16 'shoes':3A 'the':6B 'two':2A 'unsorted':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'post punk', 'punk', 'new romantic']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384661.0111744  (2021-05-07 12:51:01)
                             'size'  3358755