======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '272'
                                          'artist'  'Linton Kwesi Johnson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Historic Dub'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'dub poetry', 'jamaica', 'roots']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '156'
                                             'key'  '10A'
                                        'acoustid'  '17f366f4-b550-4d2f-86df-98eb9f09070c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '156'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-10-27'
'TIT2' (Title/songname/content description)         'Historic Dub'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Linton Kwesi Johnson'
'TPE2' (Band/orchestra/accompaniment)               'Linton Kwesi Johnson'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Island'
'TRCK' (Track number/Position in set)               '12/15'
'TSO2'                                              'Johnson, Linton Kwesi'
'TSOP' (Performer sort order)                       'Johnson, Linton Kwesi'
'TSRC' (ISRC (international standard recording code))  'GBAAN9800242'
'TXXX:ASIN'                                         'B00000DC4T'
'TXXX:Acoustid Id'                                  '17f366f4-b550-4d2f-86df-98eb9f09070c'
'TXXX:Artists'                                      'Linton Kwesi Johnson'
'TXXX:BARCODE'                                      '731452457523'
'TXXX:CATALOGNUMBER'                                '5245752'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'dub poetry', 'jamaica', 'roots']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.972255'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'00c33766-f66f-446b-91b7-d0b2c7a5a6d1')

========================== row from database ==========================
                                              'id'  1377453
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/12 - Historic dub.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  272
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  4405681
                                           'mtime'  1620520817
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 12 dub loc style reggae dub ska dancehall unsorted
                                      'tag_artist'  Linton Kwesi Johnson
                                     'tag_release'  None
                                       'tag_title'  Historic Dub
                                             'bpm'  156.0
                                    'search_title'  'dub':2 'historic':1
                                   'search_artist'  'johnson':3 'kwesi':2 'linton':1
                                  'search_release'  
                                     'search_rest'  '00reggae':1 'dancehall':7 'dub':2 'loc':3 'reggae':5 'ska':6 'style':4 'unsorted':8
                                    'search_combo'  '00reggae':6 'dancehall':12 'dub':2A,7 'historic':1A 'johnson':5B 'kwesi':4B 'linton':3B 'loc':8 'reggae':10 'ska':11 'style':9 'unsorted':13
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'dub poetry', 'jamaica', 'roots']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620520817.050123  (2021-05-09 02:40:17)
                             'size'  4405681