======================== unified (from filesystem) ========================
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                                        'duration'  '135'
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                                      'lastfmtags'  "['blues', 'avant garde', 'psychedelic', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '19'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '116.3'
                                             'key'  '3A'
                                        'acoustid'  '6f34d578-bc2d-454f-9d35-094f314acaac'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TIT2' (Title/songname/content description)         "Sure 'nuff 'n Yes I Do"
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'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Captain Beefheart & His Magic Band'
'TPE2' (Band/orchestra/accompaniment)               'Captain Beefheart & His Magic Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Buddha Records'
'TRCK' (Track number/Position in set)               '1/19'
'TSO2'                                              'Captain Beefheart & His Magic Band'
'TSOP' (Performer sort order)                       'Captain Beefheart & His Magic Band'
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'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:lastfmtags'                                   ['blues', 'avant garde', 'psychedelic', 'experimental', 'rock']
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========================== row from database ==========================
                                              'id'  1498178
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Captain Beefheart & His Magic Band - Safe as Milk/01 Sure _nuff _n Yes I Do.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  135
                                           'genre'  electronic-experimental
                                        'filesize'  3311991
                                           'mtime'  1622801426
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 01 _nuff _n electronic experimental
                                      'tag_artist'  Captain Beefheart & His Magic Band
                                     'tag_release'  Safe as Milk
                                       'tag_title'  Sure 'nuff 'n Yes I Do
                                             'bpm'  116.3
                                    'search_title'  'do':8 'i':7 'n':4,5 'nuff':2,3 'sure':1 'yes':6
                                   'search_artist'  'band':5 'beefheart':2 'captain':1 'his':3 'magic':4
                                  'search_release'  'as':2 'milk':3 'safe':1
                                     'search_rest'  'electronic':3 'experimental':4 'n':2 'nuff':1
                                    'search_combo'  'as':15C 'band':13B 'beefheart':10B 'captain':9B 'do':8A 'electronic':19 'experimental':20 'his':11B 'i':7A 'magic':12B 'milk':16C 'n':4A,5A,18 'nuff':2A,3A,17 'safe':14C 'sure':1A 'yes':6A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'avant garde', 'psychedelic', 'experimental', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801425.5963511  (2021-06-04 12:10:25)
                             'size'  3311991