======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'G. Gadjibabekov'
                                     'text_people'  ''
                                         'release'  'The Secret Museum of Mankind: Central Asia: Ethnic Music Classics: 1925-1948'
                                           'title'  'Bakhtaver'
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                                      'lastfmtags'  "['all', 'trad', 'azerbaijani', 'central asian', 'azeri']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '26'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '85.561'
                                             'key'  '2B'
                                        'acoustid'  '21af2348-c023-4a98-a388-20bc7b683469'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '85.561'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-23'
'TENC' (Encoded by)                                 'bofus'
'TIT2' (Title/songname/content description)         'Bakhtaver'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '163426'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'G. Gadjibabekov'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Yazoo Records'
'TRCK' (Track number/Position in set)               '16/26'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Gadjibabekov, G.'
'TXXX:ASIN'                                         'B000000G9G'
'TXXX:Acoustid Id'                                  '21af2348-c023-4a98-a388-20bc7b683469'
'TXXX:BARCODE'                                      '016351700728'
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'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'ed877963-f6c0-4cef-a8dd-ce05352cbe45'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'fcb82b42-b4fb-4a4b-bbbe-02a959df38fa'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['all', 'trad', 'azerbaijani', 'central asian', 'azeri']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.499965'
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========================== row from database ==========================
                                              'id'  922618
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/the secret museum of mankind vol. 6 [ethnic music classics 1925-48 (central asia)]/16 - Azerbaijan - Bakhtaver (G.Gadjibabeov).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  loc-asia
                                        'filesize'  3930971
                                           'mtime'  1652397827
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia the secret museum mankind vol. 6 [ethnic music classics (central asia)] 16 Azerbaijan (G.Gadjibabeov) loc asia
                                      'tag_artist'  G. Gadjibabekov
                                     'tag_release'  The Secret Museum of Mankind: Central Asia: Ethnic Music Classics: 1925-1948
                                       'tag_title'  Bakhtaver
                                             'bpm'  85.561
                                    'search_title'  'bakhtaver':1
                                   'search_artist'  'g':1,2 'gadjibabekov':3
                                  'search_release'  '1925':14 '19251948':16 '1948':15 'asia':8,9 'central':7 'classics':12,13 'ethnic':10 'mankind':5,6 'museum':3 'music':11 'of':4 'secret':2 'the':1
                                     'search_rest'  '00asia':1 '6':8 'asia':15,16 'azerbaijan':17 'central':13,14 'classics':12 'ethnic':9,10 'g':18 'gadjibabeov':19 'ggadjibabeov':20 'loc':21 'mankind':5 'museum':4 'music':11 'secret':3 'the':2 'vol':6,7
                                    'search_combo'  '00asia':21 '1925':18C '19251948':20C '1948':19C '6':28 'asia':12C,13C,35,36 'azerbaijan':37 'bakhtaver':1A 'central':11C,33,34 'classics':16C,17C,32 'ethnic':14C,29,30 'g':2B,3B,38 'gadjibabekov':4B 'gadjibabeov':39 'ggadjibabeov':40 'loc':41 'mankind':9C,10C,25 'museum':7C,24 'music':15C,31 'of':8C 'secret':6C,23 'the':5C,22 'vol':26,27
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['all', 'trad', 'azerbaijani', 'central asian', 'azeri']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397826.8796499  (2022-05-13 01:23:46)
                             'size'  3930971