======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '137'
                                          'artist'  'Bo Diddley'
                                     'text_people'  ''
                                         'release'  'Born Bad, Volume 8'
                                           'title'  'Dancing Girl'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-1', "
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 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['rock and roll', 'blues', 'rhythm and blues', 'soul', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-pop-early;rock-early-blues'
                                             'bpm'  '118.152'
                                             'key'  '10B'
                                        'acoustid'  'ec44e5ea-c854-48a4-90d1-a9dadedf0100'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Born Bad, Volume 8'
'TBPM' (BPM (beats per minute))                     '118.152'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-early', 'rock-early-blues']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Dancing Girl'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Bo Diddley'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Born Bad Records'
'TRCK' (Track number/Position in set)               '2/16'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Diddley, Bo'
'TXXX:Acoustid Id'                                  'ec44e5ea-c854-48a4-90d1-a9dadedf0100'
'TXXX:Artists'                                      'Bo Diddley'
'TXXX:CATALOGNUMBER'                                'BB008'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '3bba1eb7-4127-4df5-8f83-804345876a37'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'bf659d74-0b61-488c-8a7d-594f43bed9e0'
'TXXX:MusicBrainz Release Group Id'                 'f1499ca0-cf53-4bbe-ad29-12c5fc5e0b56'
'TXXX:MusicBrainz Release Track Id'                 'a1a20c3e-cdd1-3eb5-98de-9a376f78ce74'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['rock and roll', 'blues', 'rhythm and blues', 'soul', 'rock']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.283064'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'af007802-391b-4b47-ac7f-36dcd2d20f10')

========================== row from database ==========================
                                              'id'  948700
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Born Bad Vol. 8/02. Bo Diddley - Dancing Girl.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  137
                                           'genre'  rock-pop-early;rock-early-blues
                                        'filesize'  3411190
                                           'mtime'  1620736610
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va Vol. 02. rock pop early;rock early blues
                                      'tag_artist'  Bo Diddley
                                     'tag_release'  Born Bad, Volume 8
                                       'tag_title'  Dancing Girl
                                             'bpm'  118.152
                                    'search_title'  'dancing':1 'girl':2
                                   'search_artist'  'bo':1 'diddley':2
                                  'search_release'  '8':5 'bad':2,3 'born':1 'volume':4
                                     'search_rest'  '02':8,9 'blues':17 'country':4 'early':12,14,16 'exotica':2 'jazz':1 'oldies':3 'pop':11 'rock':10,13,15 'va':5 'vol':6,7
                                    'search_combo'  '02':17,18 '8':9C 'bad':6C,7C 'blues':26 'bo':3B 'born':5C 'country':13 'dancing':1A 'diddley':4B 'early':21,23,25 'exotica':11 'girl':2A 'jazz':10 'oldies':12 'pop':20 'rock':19,22,24 'va':14 'vol':15,16 'volume':8C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'blues', 'rhythm and blues', 'soul', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736609.6663  (2021-05-11 14:36:49)
                             'size'  3411190