======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '388'
                                          'artist'  'Hawkwind'
                                     'text_people'  ''
                                         'release'  'It Is the Business of the Future to Be Dangerous'
                                           'title'  'It Is the Business of the Future to Be Dangerous'
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                                      'lastfmtags'  "['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '88.2'
                                             'key'  '10B'
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======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'It Is the Business of the Future to Be Dangerous'
'TBPM' (BPM (beats per minute))                     '88.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'It Is the Business of the Future to Be Dangerous'
'TKEY' (Initial key)                                '10B'
'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)                                  'Musidisc'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Hawkwind'
'TSOP' (Performer sort order)                       'Hawkwind'
'TXXX:ASIN'                                         'B00004SFDY'
'TXXX:Acoustid Id'                                  'f5cf6376-3e8b-4b1c-9dbb-b4f1259bf5c5'
'TXXX:CATALOGNUMBER'                                '11220-2'
'TXXX:MusicBrainz Album Artist Id'                  '5a28f8c2-31fb-4047-ae57-c5c326989262'
'TXXX:MusicBrainz Album Id'                         '0105633e-bc84-4540-b2b8-e5b446154cc7'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5a28f8c2-31fb-4047-ae57-c5c326989262'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:lastfmtags'                                   ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.07 dB'
'TXXX:replaygain_track_peak'                        '0.952468'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Hawkwind - 1993 The Business Of The Future/hawkwind_1993 business of the future_01 it is the business of the future to be dangerous.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  388
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  9318549
                                           'mtime'  1620736213
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                                        'rest_str'   00popandrock classicprogpsy 1993 The Of The hawkwind_1993 business future_01 it is business future be dangerous rock cppex psychedelic
                                      'tag_artist'  Hawkwind
                                     'tag_release'  It Is the Business of the Future to Be Dangerous
                                       'tag_title'  It Is the Business of the Future to Be Dangerous
                                             'bpm'  88.2
                                    'search_title'  'be':8 'business':4 'dangerous':9 'future':6 'is':2 'it':1 'of':5 'the':3 'to':7
                                   'search_artist'  'hawkwind':1
                                  'search_release'  'be':8 'business':4 'dangerous':9 'future':6 'is':2 'it':1 'of':5 'the':3 'to':7
                                     'search_rest'  '01':9 '1993':2,6 'be':13 'business':7 'classicprogpsy':1 'cppex':16 'dangerous':14 'future':8,12 'hawkwind':5 'is':11 'it':10 'of':4 'psychedelic':17 'rock':15 'the':3
                                    'search_combo'  '01':28 '1993':21,25 'be':8A,18C,32 'business':4A,14C,26 'classicprogpsy':20 'cppex':35 'dangerous':9A,19C,33 'future':6A,16C,27,31 'hawkwind':10B,24 'is':2A,12C,30 'it':1A,11C,29 'of':5A,15C,23 'psychedelic':36 'rock':34 'the':3A,13C,22 'to':7A,17C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736212.6692922  (2021-05-11 14:30:12)
                             'size'  9318549