======================== unified (from filesystem) ========================
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-gr-hard;rock-pop-glam'
                                             'bpm'  '84'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     '20th Century Masters: The Millennium Collection: The Best of The Runaways'
'TBPM' (BPM (beats per minute))                     '84'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-hard', 'rock-pop-glam']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-05-24'
'TIT2' (Title/songname/content description)         'Neon Angels on the Road to Ruin (live)'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Runaways'
'TPE2' (Band/orchestra/accompaniment)               'The Runaways'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mercury Records'
'TRCK' (Track number/Position in set)               '9/12'
'TSO2'                                              'Runaways, The'
'TSOP' (Performer sort order)                       'Runaways, The'
'TSRC' (ISRC (international standard recording code))  'USIR20500356'
'TXXX:ASIN'                                         'B0009IW9U2'
'TXXX:Artists'                                      'The Runaways'
'TXXX:BARCODE'                                      '602498816189'
'TXXX:CATALOGNUMBER'                                'B0004609-02'
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'TXXX:MusicBrainz Album Id'                         '16ff259a-ca41-44ae-8433-b30bcfe5f43a'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'ded0d67a-eb71-4fe9-83c0-1d18b8ed497e'
'TXXX:MusicBrainz Release Group Id'                 'a466fb1b-1976-4e89-8809-f26b2a5984bd'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.366768'
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========================== row from database ==========================
                                              'id'  1298210
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Runaways/2005 - The Best Of The Runaways (20th Century Masters The Millennium Collection)/09 - Neon Angels On The Road To Run (Live).mp3
                                         'working'  None
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                                    'duration_sec'  215
                                           'genre'  rock-gr-hard;rock-pop-glam
                                        'filesize'  8731104
                                           'mtime'  1622658905
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2005 Of (20th Collection) 09 On To (Live) rock gr hard;rock pop glam
                                      'tag_artist'  The Runaways
                                     'tag_release'  20th Century Masters: The Millennium Collection: The Best of The Runaways
                                       'tag_title'  Neon Angels on the Road to Ruin (live)
                                             'bpm'  84.0
                                    'search_title'  'angels':2 'live':8,9 'neon':1 'on':3 'road':5 'ruin':7 'the':4 'to':6
                                   'search_artist'  'runaways':2 'the':1
                                  'search_release'  '20th':1 'best':9 'century':2 'collection':7,8 'masters':3,4 'millennium':6 'of':10 'runaways':11 'the':5
                                     'search_rest'  '00poprockelectronic':1 '2005':2 '20th':4,5 'collection':6,7 'glam':19 'gr':13 'hard':14,16 'live':10,11 'of':3 'on':8 'pop':18 'rock':12,15,17 'to':9
                                    'search_combo'  '00poprockelectronic':23 '2005':24 '20th':12C,26,27 'angels':2A 'best':20C 'century':13C 'collection':18C,19C,28,29 'glam':41 'gr':35 'hard':36,38 'live':8A,9A,32,33 'masters':14C,15C 'millennium':17C 'neon':1A 'of':21C,25 'on':3A,30 'pop':40 'road':5A 'rock':34,37,39 'ruin':7A 'runaways':11B,22C 'the':4A,10B,16C 'to':6A,31
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'punk', 'glam rock', 'rock', 'hard rock', '70s']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622658905.3225422  (2021-06-02 20:35:05)
                             'size'  8731104