======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'Frank Anderson'
                                     'text_people'  ''
                                         'release'  'Trojan Ska Box Set'
                                           'title'  'Musical Storeroom'
                                           '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-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '127'
                                             'key'  '3B'
                                        'acoustid'  '0cb6e2a8-885d-4f84-bddb-affc7f570fa4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001966 0000016E 0000FBD8'
'COMM:iTunNORM:eng'                                 (' 00001966 0000016E 0000FBD8 00007E4E 00002300 00005E49 00007CD6 00007CD6 '
 '0000EF97 0000EF97')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008A0 000000000074D150 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'D1099A10+184552+16+150+10942+22985+35050+46358+59546+72013+84115+97001+105832+118852+131343+139479+150660+161928+174517'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '10'
'TALB' (Album/Movie/Show title)                     'Trojan Ska Box Set'
'TBPM' (BPM (beats per minute))                     '127'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Musical Storeroom'
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Anderson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/3'
'TPUB' (Publisher)                                  'Trojan Records'
'TRCK' (Track number/Position in set)               '10/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Anderson, Frank'
'TXXX:ASIN'                                         'B00000IBBB'
'TXXX:Acoustid Id'                                  '0cb6e2a8-885d-4f84-bddb-affc7f570fa4'
'TXXX:Artists'                                      'Frank Anderson'
'TXXX:BARCODE'                                      '766126100139'
'TXXX:CATALOGNUMBER'                                'TRBCD 001'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e8c07522-e1cb-3477-af1a-b3680fbcc9fa'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '76bc2c89-f29d-4397-b27b-ffaa197ce5a5'
'TXXX:MusicBrainz Release Group Id'                 '227d2ea9-a75f-38a5-85ce-81ba27c76ca0'
'TXXX:MusicBrainz Release Track Id'                 '79ae24dd-bbff-358d-a669-3ac9318dea29'
'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'                                   ['ska', 'reggae']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.425006'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4edbb316-e177-46d7-a8e3-761b155b9987')

========================== row from database ==========================
                                              'id'  933434
                                            'path'  /data/Music/Bulk/00localcharacter/Trojan Ska/3-10 Musical Storeroom.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3530045
                                           'mtime'  1620523762
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 3 10 loc style reggae dub ska dancehall dub roots and reggae
                                      'tag_artist'  Frank Anderson
                                     'tag_release'  Trojan Ska Box Set
                                       'tag_title'  Musical Storeroom
                                             'bpm'  127.0
                                    'search_title'  'musical':1 'storeroom':2
                                   'search_artist'  'anderson':2 'frank':1
                                  'search_release'  'box':3 'set':4 'ska':2 'trojan':1
                                     'search_rest'  '3':1 'and':9 'dancehall':7 'dub':5 'loc':2 'reggae':4 'roots':8 'ska':6 'style':3
                                    'search_combo'  '3':9 'and':17 'anderson':4B 'box':7C 'dancehall':15 'dub':13 'frank':3B 'loc':10 'musical':1A 'reggae':12 'roots':16 'set':8C 'ska':6C,14 'storeroom':2A 'style':11 'trojan':5C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  3B
                                           '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-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'reggae']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523761.9551516  (2021-05-09 03:29:21)
                             'size'  3530045