======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '138'
                                          'artist'  'Madness'
                                     'text_people'  ''
                                         'release'  "It's... Madness: 16 Classic Tracks"
                                           'title'  'Stepping Into Line'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'ska', 'pop', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '16'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '120'
                                             'key'  '7B'
                                        'acoustid'  'ab90c0fc-5ec4-4038-977b-f0d18c5c68c3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "It's... Madness: 16 Classic Tracks"
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Stepping Into Line'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Madness'
'TPE2' (Band/orchestra/accompaniment)               'Madness'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '6/16'
'TSO2'                                              'Madness'
'TSOP' (Performer sort order)                       'Madness'
'TXXX:ASIN'                                         'B0000929W1'
'TXXX:Acoustid Id'                                  'ab90c0fc-5ec4-4038-977b-f0d18c5c68c3'
'TXXX:Artists'                                      'Madness'
'TXXX:BARCODE'                                      '5012981010720'
'TXXX:CATALOGNUMBER'                                'VVIPD 107'
'TXXX:MusicBrainz Album Artist Id'                  '5f58803e-8c4c-478e-8b51-477f38483ede'
'TXXX:MusicBrainz Album Id'                         '5ae9d5ab-2f80-3a0e-b1bb-71dc2b4a120d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '5f58803e-8c4c-478e-8b51-477f38483ede'
'TXXX:MusicBrainz Release Group Id'                 '4c31e00c-b55d-33ec-a20a-a96aa378735e'
'TXXX:MusicBrainz Release Track Id'                 'b10cdf62-29ab-3d81-9b7a-9a3e7d45200b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'ska', 'pop', 'british']
'TXXX:originalyear'                                 '1990'
'TXXX:q-bass'                                       '4'
'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'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.411323'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ca21ce5f-01ce-425f-a875-bd3582760f55')

========================== row from database ==========================
                                              'id'  1525844
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Madness/It_s... Madness/06 - Madness - Stepping Into Line.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  138
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  2315630
                                           'mtime'  1620521842
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub It_s... 06 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Madness
                                     'tag_release'  It's... Madness: 16 Classic Tracks
                                       'tag_title'  Stepping Into Line
                                             'bpm'  120.0
                                    'search_title'  'into':2 'line':3 'stepping':1
                                   'search_artist'  'madness':1
                                  'search_release'  'classic':6 'it':1 'its':3 'madness':4,5 's':2 'tracks':7
                                     'search_rest'  '00reggae':1 'dancehall':12 'dub':2 'it':3,5 'loc':7 'or':10 'reggae':9 's':4,6 'ska':11 'style':8
                                    'search_combo'  '00reggae':12 'classic':10C 'dancehall':23 'dub':13 'into':2A 'it':5C,14,16 'its':7C 'line':3A 'loc':18 'madness':4B,8C,9C 'or':21 'reggae':20 's':6C,15,17 'ska':22 'stepping':1A 'style':19 'tracks':11C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'ska', 'pop', 'british']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521841.9508116  (2021-05-09 02:57:21)
                             'size'  2315630