======================== unified (from filesystem) ========================
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                                        'duration'  '311'
                                          'artist'  'Sinn Sisamouth'
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                                           'title'  "I'm Still Waiting for You"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '17'
                                            'date'  '2003'
                                        'comments'  ''
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'TCON' (Content type, a.k.a. Genre)                 'loc-asia-cambodia'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-12-01'
'TIT2' (Title/songname/content description)         "I'm Still Waiting for You"
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sinn Sisamouth'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Khmer Rocks'
'TRCK' (Track number/Position in set)               '16/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Sisamouth, Sinn'
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'TXXX:Q-OLDST'                                      '2'
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'TXXX:lastfmtags'                                   ['all', 'khmer', 'cambodia', 'cambodian', 'rock', 'psychedelic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
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'TXXX:replaygain_track_peak'                        '0.264134'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00localcharacter/Cambodia Rocks/va - Cambodian Rocks Vol.1 (2003)/16 Sinn Sisamouth - I_M Still Waiting.mp3
                                         'working'  None
                                         'bitrate'  250
                                    'duration_sec'  311
                                           'genre'  loc-asia-cambodia
                                        'filesize'  9769955
                                           'mtime'  1621629672
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter va Vol.1 (2003) 16 I_M loc asia cambodia
                                      'tag_artist'  Sinn Sisamouth
                                     'tag_release'  Cambodian Rocks, Volume I
                                       'tag_title'  I'm Still Waiting for You
                                             'bpm'  143.1
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                                   'search_artist'  'sinn':1 'sisamouth':2
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                                     'search_rest'  '1':3 '2003':5,6 'asia':10 'cambodia':11 'i':7 'loc':9 'm':8 'va':1 'vol':2 'vol1':4
                                    'search_combo'  '1':17 '2003':19,20 'asia':24 'cambodia':25 'cambodian':10C 'for':6A 'i':1A,14C,21 'im':3A 'loc':23 'm':2A,22 'rocks':11C,12C 'sinn':8B 'sisamouth':9B 'still':4A 'va':15 'vol':16 'vol1':18 'volume':13C 'waiting':5A 'you':7A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['all', 'khmer', 'cambodia', 'cambodian', 'rock', 'psychedelic']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629671.8468757  (2021-05-21 22:41:11)
                             'size'  9769955