======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '179'
                                          'artist'  'The Ink Spots'
                                     'text_people'  ''
                                         'release'  'The Very Best of The Ink Spots'
                                           'title'  "I Don't Want to Set the World on Fire"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['vocal jazz', 'jazz', '40s', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '20'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '90'
                                             'key'  '6B'
                                        'acoustid'  'd2d7b0c9-2552-4c87-94ae-4f5c8a1ee311'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Very Best of The Ink Spots'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         "I Don't Want to Set the World on Fire"
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ink Spots'
'TPE2' (Band/orchestra/accompaniment)               'The Ink Spots'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/20'
'TSO2'                                              'Ink Spots, The'
'TSOP' (Performer sort order)                       'Ink Spots, The'
'TXXX:Acoustid Id'                                  'd2d7b0c9-2552-4c87-94ae-4f5c8a1ee311'
'TXXX:Artists'                                      'The Ink Spots'
'TXXX:MusicBrainz Album Artist Id'                  '75f47650-8a52-494a-8334-c5279bc6db09'
'TXXX:MusicBrainz Album Id'                         '90bd1489-b2b5-44c5-8979-7fefa47c376c'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '75f47650-8a52-494a-8334-c5279bc6db09'
'TXXX:MusicBrainz Release Group Id'                 '6b5993ff-954f-43aa-a20a-aceb19390050'
'TXXX:MusicBrainz Release Track Id'                 '39b98d2e-d0b1-3cf9-8ca7-12e24f663d1b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz', '40s', 'oldies', 'swing']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.752979'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5ac883e4-363a-4213-b967-f2990926ee84')

========================== row from database ==========================
                                              'id'  1521900
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Ink Spots/Ink Spots - The Very Best of The Ink Spots_07 - I Don_t Want To Set the World On Fire.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  179
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  7236119
                                           'mtime'  1620536356
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Spots_07 Don_t To On prerock jb jazz soft salon easy
                                      'tag_artist'  The Ink Spots
                                     'tag_release'  The Very Best of The Ink Spots
                                       'tag_title'  I Don't Want to Set the World on Fire
                                             'bpm'  90.0
                                    'search_title'  'don':2 'dont':4 'fire':11 'i':1 'on':10 'set':7 't':3 'the':8 'to':6 'want':5 'world':9
                                   'search_artist'  'ink':2 'spots':3 'the':1
                                  'search_release'  'best':3 'ink':5 'of':4 'spots':6 'the':1 'very':2
                                     'search_rest'  '07':6 'country':4 'don':7 'easy':15 'exotica':2 'jazz':1 'jb':12 'oldies':3 'on':10 'prerock':11 'salon':14 'soft':13 'spots':5 't':8 'to':9
                                    'search_combo'  '07':26 'best':17C 'country':24 'don':2A,27 'dont':4A 'easy':35 'exotica':22 'fire':11A 'i':1A 'ink':13B,19C 'jazz':21 'jb':32 'of':18C 'oldies':23 'on':10A,30 'prerock':31 'salon':34 'set':7A 'soft':33 'spots':14B,20C,25 't':3A,28 'the':8A,12B,15C 'to':6A,29 'very':16C 'want':5A 'world':9A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['vocal jazz', 'jazz', '40s', 'oldies', 'swing']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536356.4429333  (2021-05-09 06:59:16)
                             'size'  7236119