======================== unified (from filesystem) ========================
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                                        'duration'  '267'
                                          'artist'  'Van Halen'
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                                      'tracktotal'  '18'
                                            'date'  '2009'
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                                             'bpm'  '139.370'
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======================== rawer (from filesystem) ========================

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'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '2009-04-01'
'TIT2' (Title/songname/content description)         "Ain't Talkin' 'Bout Love"
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Van Halen'
'TPE2' (Band/orchestra/accompaniment)               'Van Halen'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '2/18'
'TSO2'                                              'Van Halen'
'TSOP' (Performer sort order)                       'Van Halen'
'TSRC' (ISRC (international standard recording code))  'USWB10401733/USWB17700031'
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'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:lastfmtags'                                   ['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
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'TXXX:q-vocals'                                     '3'
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'TXXX:replaygain_track_peak'                        '0.422710'
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========================== row from database ==========================
                                              'id'  1517878
                                            'path'  /data/Music/Bulk/00poprockelectronic/van Halen/Van Halen - 02 - Ain_t talkin_ _ bout love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  267
                                           'genre'  rock-gr-hard
                                        'filesize'  4286934
                                           'mtime'  1636902751
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic van 02 Ain_t talkin_ _ bout love rock gr hard
                                      'tag_artist'  Van Halen
                                     'tag_release'  Best Of, Volume 1
                                       'tag_title'  Ain't Talkin' 'Bout Love
                                             'bpm'  139.37
                                    'search_title'  'ain':1 'aint':3 'bout':6,7 'love':8 't':2 'talkin':4,5
                                   'search_artist'  'halen':2 'van':1
                                  'search_release'  '1':5 'best':1 'of':2,3 'volume':4
                                     'search_rest'  '00poprockelectronic':1 'ain':3 'bout':6 'gr':9 'hard':10 'love':7 'rock':8 't':4 'talkin':5 'van':2
                                    'search_combo'  '00poprockelectronic':16 '1':15C 'ain':1A,18 'aint':3A 'best':11C 'bout':6A,7A,21 'gr':24 'halen':10B 'hard':25 'love':8A,22 'of':12C,13C 'rock':23 't':2A,19 'talkin':4A,5A,20 'van':9B,17 'volume':14C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'heavy metal', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636902750.5519702  (2021-11-14 16:12:30)
                             'size'  4286934