======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'T. Zchien & The Johnny'
                                     'text_people'  ''
                                         'release'  'Thai Beat a Go-Go, Volume 2'
                                           'title'  'I Find Only Dream'
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                                      'lastfmtags'  "['singer', '70s', 'psychedelic rock', 'psychedelic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-thailand'
                                             'bpm'  '141.413'
                                             'key'  '7A'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '141.413'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-thailand'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'I Find Only Dream'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'T. Zchien & The Johnny'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Subliminal Sounds'
'TRCK' (Track number/Position in set)               '19/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'T. Zchien & The Johnny'
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'TXXX:Acoustid Id'                                  '6113cca0-4a67-486b-8281-4e1c9a58a0c4'
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'TXXX:MusicBrainz Album Id'                         '3365a321-da39-4820-b804-a51a801c0118'
'TXXX:MusicBrainz Album Release Country'            'SE'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['singer', '70s', 'psychedelic rock', 'psychedelic', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
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'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
 'and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
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 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  926177
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/thai beat a go-go vol.2/19 i find only dreams - t. zchien &.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  loc-asia-thailand
                                        'filesize'  3355638
                                           'mtime'  1621629224
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia thai beat go go vol.2 19 find only dreams t. zchien loc asia thailand
                                      'tag_artist'  T. Zchien & The Johnny
                                     'tag_release'  Thai Beat a Go-Go, Volume 2
                                       'tag_title'  I Find Only Dream
                                             'bpm'  141.413
                                    'search_title'  'dream':4 'find':2 'i':1 'only':3
                                   'search_artist'  'johnny':5 't':1,2 'the':4 'zchien':3
                                  'search_release'  '2':8 'a':3 'beat':2 'go':4,5 'gogo':6 'thai':1 'volume':7
                                     'search_rest'  '00asia':1 '19':8 '2':6 'asia':16 'beat':3 'dreams':11 'find':9 'go':4 'loc':15 'only':10 't':12,13 'thai':2 'thailand':17 'vol':5 'vol2':7 'zchien':14
                                    'search_combo'  '00asia':18 '19':25 '2':17C,23 'a':12C 'asia':33 'beat':11C,20 'dream':4A 'dreams':28 'find':2A,26 'go':13C,14C,21 'gogo':15C 'i':1A 'johnny':9B 'loc':32 'only':3A,27 't':5B,6B,29,30 'thai':10C,19 'thailand':34 'the':8B 'vol':22 'vol2':24 'volume':16C 'zchien':7B,31
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  7A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['singer', '70s', 'psychedelic rock', 'psychedelic', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629223.738716  (2021-05-21 22:33:43)
                             'size'  3355638