======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '995'
                                          'artist'  'Øresund Space Collective'
                                     'text_people'  ''
                                         'release'  'Inside Your Head'
                                           'title'  'Optic Chiasm'
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 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', "
 "'stoner rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '5'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '143'
                                             'key'  '4A'
                                        'acoustid'  '8a31a94c-d7a5-4e90-96b7-5b31fa4af96f'
rest: ''

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

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'COMM:Songs-DB_Custom1:XXX'                         'check'
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'TBPM' (BPM (beats per minute))                     '143'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace']
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-11-18'
'TIT2' (Title/songname/content description)         'Optic Chiasm'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Øresund Space Collective'
'TPE2' (Band/orchestra/accompaniment)               'Øresund Space Collective'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sulatron Records'
'TRCK' (Track number/Position in set)               '2/5'
'TSO2'                                              'Oresund Space Collective'
'TSOP' (Performer sort order)                       'Oresund Space Collective'
'TXXX:Acoustid Id'                                  '8a31a94c-d7a5-4e90-96b7-5b31fa4af96f'
'TXXX:Artists'                                      'Øresund Space Collective'
'TXXX:BARCODE'                                      '9120031190059'
'TXXX:CATALOGNUMBER'                                'st 0802'
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'TXXX:MusicBrainz Album Id'                         '47a5c082-bd36-4d8f-975b-f8a79f892f53'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fbddfba4-57fd-404d-ba8d-cfba58e545b9'
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'TXXX:MusicBrainz Release Track Id'                 '3d4d445b-1753-386b-a741-83e7638a8907'
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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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock',
 'space rock',
 'psychedelic rock',
 'psychedelic',
 'stoner rock']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+9.03 dB'
'TXXX:replaygain_track_peak'                        '0.127632'
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========================== row from database ==========================
                                              'id'  1415853
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Øresund Space Collective/Øresund Space Collective - (2008) inside your head/02 - optic chiasm.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  995
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  39901803
                                           'mtime'  1620736251
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (2008) inside your head 02 optic chiasm rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Øresund Space Collective
                                     'tag_release'  Inside Your Head
                                       'tag_title'  Optic Chiasm
                                             'bpm'  143.0
                                    'search_title'  'chiasm':2 'optic':1
                                   'search_artist'  'collective':4 'oresund':2 'space':3 'øresund':1
                                  'search_release'  'head':3 'inside':1 'your':2
                                     'search_rest'  '2008':2,3 'chiasm':8 'classicprogpsy':1 'cppex':10 'head':6 'inside':4 'optic':7 'pl':16 'progspace':17 'psychedelic':11 'rock':9 'set':13,15 'space':12,14 'your':5
                                    'search_combo'  '2008':11,12 'chiasm':2A,17 'classicprogpsy':10 'collective':6B 'cppex':19 'head':9C,15 'inside':7C,13 'optic':1A,16 'oresund':4B 'pl':25 'progspace':26 'psychedelic':20 'rock':18 'set':22,24 'space':5B,21,23 'your':8C,14 'øresund':3B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'space rock', 'psychedelic rock', 'psychedelic', 'stoner rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736250.5906422  (2021-05-11 14:30:50)
                             'size'  39901803