======================== unified (from filesystem) ========================
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                                        'duration'  '185'
                                          'artist'  'Hawkwind'
                                     'text_people'  'N. Turner'
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                                      'lastfmtags'  "['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;set-pl-progspace'
                                             'bpm'  '132.791'
                                             'key'  '1A'
                                        'acoustid'  '1d13f154-ba94-4735-83a9-3b032b09a90a'
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000654 0000067B 0000430E 000053EA 0001ED29 00024292 000072B2 000074AB '
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'COMM:iTunes_CDDB_IDs:eng'                          '12+59231BACA1A3BA6333C3B5A843F9D9F2+979453'
'TALB' (Album/Movie/Show title)                     'Warrior on the Edge of Time'
'TBPM' (BPM (beats per minute))                     '132.791'
'TCOM' (Composer)                                   'N. Turner'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'set-pl-progspace']
'TDOR' (Original release time)                      '1975'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'iTunes v7.4.2.4'
'TIT2' (Title/songname/content description)         'Dying Seas'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Hawkwind'
'TPE2' (Band/orchestra/accompaniment)               'Hawkwind'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Griffin Music'
'TRCK' (Track number/Position in set)               '10/12'
'TSO2'                                              'Hawkwind'
'TSOP' (Performer sort order)                       'Hawkwind'
'TSSE' (Software/Hardware and settings used for encoding)  'iTunes v7.4.2.4'
'TXXX:Acoustid Id'                                  '1d13f154-ba94-4735-83a9-3b032b09a90a'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '3'
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'TXXX:q-chart'                                      '1'
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'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
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'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.537884'
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========================== row from database ==========================
                                              'id'  1409504
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Warrior On The Edge Of Time/1-10 Dying Seas.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  185
                                           'genre'  rock-cppex-psychedelic;set-pl-progspace
                                        'filesize'  7947386
                                           'mtime'  1620737232
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy On The Of 1 10 rock cppex psychedelic;set pl progspace
                                      'tag_artist'  Hawkwind
                                     'tag_release'  Warrior on the Edge of Time
                                       'tag_title'  Dying Seas
                                             'bpm'  132.791
                                    'search_title'  'dying':1 'seas':2
                                   'search_artist'  'hawkwind':1
                                  'search_release'  'edge':4 'of':5 'on':2 'the':3 'time':6 'warrior':1
                                     'search_rest'  '1':5 'classicprogpsy':1 'cppex':7 'of':4 'on':2 'pl':12 'progspace':13 'psychedelic':8,10 'rock':6 'set':9,11 'the':3
                                    'search_combo'  '1':14 'classicprogpsy':10 'cppex':16 'dying':1A 'edge':7C 'hawkwind':3B 'of':8C,13 'on':5C,11 'pl':21 'progspace':22 'psychedelic':17,19 'rock':15 'seas':2A 'set':18,20 'the':6C,12 'time':9C 'warrior':4C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737232.4827404  (2021-05-11 14:47:12)
                             'size'  7947386