======================== unified (from filesystem) ========================
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                                        'duration'  '290'
                                          'artist'  'Endlich Allein'
                                     'text_people'  ''
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                                           'title'  'Il duomo di notte'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
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 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock']"
                                     'discogstags'  "['rock', 'prog rock', 'symphonic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
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                                             'key'  '8B'
                                        'acoustid'  '2d966ee8-1e73-446c-9d26-c43729419ce7'
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Zarathustra's Revenge"
'TBPM' (BPM (beats per minute))                     '100'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Il duomo di notte'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Endlich Allein'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  'Mellow Records'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Endlich Allein'
'TXXX:Acoustid Id'                                  '2d966ee8-1e73-446c-9d26-c43729419ce7'
'TXXX:Artists'                                      'Endlich Allein'
'TXXX:CATALOGNUMBER'                                'MMP 328 A/B/C/D'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '06594af9-7b03-4523-9e1b-276d351f7a28'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'fa0a817c-d3f0-4407-ab3f-3b5045428009'
'TXXX:MusicBrainz Release Group Id'                 '0de2360b-8773-4586-9239-d4f53bb26c1b'
'TXXX:MusicBrainz Release Track Id'                 '2c4b07e6-1a71-3780-b8e4-3d7e32acdcea'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'prog rock', 'symphonic rock']
'TXXX:lastfmtags'                                   'progressive rock'
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.599636'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2c85b456-eef6-4361-9c59-35cf5be0a7fd')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Algebra - Italian Prog Tribute/cd 2/Zarathustra_s_Revenge_-_Italian_Prog_Tribute_Box_Set_-_207_-_Endlich_Allein_(Italy)_-Il_Duomo_Di_Notte_(Fortis).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  290
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  9298222
                                           'mtime'  1620736020
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Algebra Italian Prog Tribute cd 2 Zarathustra_s_Revenge_ _Italian_Prog_Tribute_Box_Set_ _207_ _Endlich_Allein_(Italy)_ Il_Duomo_Di_Notte_(Fortis) rock cppex progressive;set pl progspace
                                      'tag_artist'  Endlich Allein
                                     'tag_release'  Zarathustra's Revenge
                                       'tag_title'  Il duomo di notte
                                             'bpm'  100.0
                                    'search_title'  'di':3 'duomo':2 'il':1 'notte':4
                                   'search_artist'  'allein':2 'endlich':1
                                  'search_release'  'revenge':4 's':2 'zarathustra':1 'zarathustras':3
                                     'search_rest'  '2':7 '207':16 'algebra':2 'allein':18,21 'box':14 'cd':6 'classicprogpsy':1 'cppex':34 'di':25,30 'duomo':24,29 'endlich':17,20 'fortis':27,32 'il':23,28 'italian':3,11 'italy':19,22 'notte':26,31 'pl':39 'prog':4,12 'progressive':35,37 'progspace':40 'revenge':10 'rock':33 's':9 'set':15,36,38 'tribute':5,13 'zarathustra':8
                                    'search_combo'  '2':17 '207':26 'algebra':12 'allein':6B,28,31 'box':24 'cd':16 'classicprogpsy':11 'cppex':44 'di':3A,35,40 'duomo':2A,34,39 'endlich':5B,27,30 'fortis':37,42 'il':1A,33,38 'italian':13,21 'italy':29,32 'notte':4A,36,41 'pl':49 'prog':14,22 'progressive':45,47 'progspace':50 'revenge':10C,20 'rock':43 's':8C,19 'set':25,46,48 'tribute':15,23 'zarathustra':7C,18 'zarathustras':9C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock']
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'prog rock', 'symphonic rock']

============================== file details ==============================
                                           'mtime'  1620736019.8764737  (2021-05-11 14:26:59)
                             'size'  9298222