======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '209'
                                          'artist'  'Twilight Circus'
                                     'text_people'  ''
                                         'release'  'Dub Voyage'
                                           'title'  'K2000'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dub', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-modern'
                                             'bpm'  '110.362'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Dub Voyage'
'TBPM' (BPM (beats per minute))                     '110.362'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-modern'
'TIT2' (Title/songname/content description)         'K2000'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Twilight Circus'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['dub', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.58 dB'
'TXXX:replaygain_track_peak'                        '0.479017'

========================== row from database ==========================
                                              'id'  1379316
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/twilight circus/dub voyage/Twilight Circus - Dub Voyage - 08 - K2000.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  209
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-modern
                                        'filesize'  5029888
                                           'mtime'  1620522706
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub twilight circus dub voyage 08 loc style reggae or dub or ska or dancehall dub modern
                                      'tag_artist'  Twilight Circus
                                     'tag_release'  Dub Voyage
                                       'tag_title'  K2000
                                             'bpm'  110.362
                                    'search_title'  'k2000':1
                                   'search_artist'  'circus':2 'twilight':1
                                  'search_release'  'dub':1 'voyage':2
                                     'search_rest'  '00reggae':1 'circus':4 'dancehall':11 'dub':2 'loc':6 'modern':12 'or':9 'reggae':8 'ska':10 'style':7 'twilight':3 'voyage':5
                                    'search_combo'  '00reggae':6 'circus':3B,9 'dancehall':16 'dub':4C,7 'k2000':1A 'loc':11 'modern':17 'or':14 'reggae':13 'ska':15 'style':12 'twilight':2B,8 'voyage':5C,10
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dub', 'all']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522705.531514  (2021-05-09 03:11:45)
                             'size'  5029888