======================== unified (from filesystem) ========================
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                                        'duration'  '214'
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                                           'title'  'All the Things She Said'
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                                      'lastfmtags'  "['russian', 'electronic', 'dance', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '22'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '120.3'
                                             'key'  '4B'
                                        'acoustid'  '19e74f97-c962-4bcb-a99e-51490978e74c'
rest: ''

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'TBPM' (BPM (beats per minute))                     '120.3'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'Unknown'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TCOP' (Copyright message)                          "©Copyright 2002 by Joe's Momma"
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-04-10'
'TENC' (Encoded by)                                 'RaptorX30'
'TIT2' (Title/songname/content description)         'All the Things She Said'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'Digital Media'
'TOPE' (Original artist(s)/performer(s))            'Tatu'
'TPE1' (Lead performer(s)/Soloist(s))               't.A.T.u.'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TPUB' (Publisher)                                  'YTMND'
'TRCK' (Track number/Position in set)               '7/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       't.A.T.u.'
'TSRC' (ISRC (international standard recording code))  'RUA110100017/RUA110100022'
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'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '7c20f558-d664-42bd-b6f1-81acf9dbb72d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.421153'
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========================== row from database ==========================
                                              'id'  1274622
                                            'path'  /data/Music/Bulk/0soundtrack/Nintendo - YTMND/YTMND Soundtrack - Volume 10/Disc 2/YTMND Soundtrack - Volume 10 - 23- t.A.T.u - All the Things She Said.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  soundtrack-video
                                        'filesize'  3443821
                                           'mtime'  1621696926
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Nintendo Disc 2 23 soundtrack video
                                      'tag_artist'  t.A.T.u.
                                     'tag_release'  YTMND Soundtrack, Volume 10
                                       'tag_title'  All the Things She Said
                                             'bpm'  120.3
                                    'search_title'  'all':1 'said':5 'she':4 'the':2 'things':3
                                   'search_artist'  'a':2 't':1,3 'tatu':5 'u':4
                                  'search_release'  'soundtrack':2,3 'volume':4 'ytmnd':1
                                     'search_rest'  '0soundtrack':1 '2':4 '23':5 'disc':3 'nintendo':2 'soundtrack':6 'video':7
                                    'search_combo'  '0soundtrack':15 '2':18 '23':19 'a':7B 'all':1A 'disc':17 'nintendo':16 'said':5A 'she':4A 'soundtrack':12C,13C,20 't':6B,8B 'tatu':10B 'the':2A 'things':3A 'u':9B 'video':21 'volume':14C 'ytmnd':11C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4B
                                           '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-2', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'electronic', 'dance', 'female vocalists', 'pop']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696926.0484703  (2021-05-22 17:22:06)
                             'size'  3443821