======================== unified (from filesystem) ========================
                                         'bitrate'  '208.879'
                                        'duration'  '175'
                                          'artist'  'J.U.F.'
                                     'text_people'  ''
                                         'release'  'Gogol Bordello vs. Tamir Muska'
                                           'title'  "Samiao's Day"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gypsy', 'alternative', 'punk', 'folk', 'gypsy punk']"
                                     'discogstags'  "['leftfield', 'folk rock', 'breaks', 'punk', 'rock', 'electronic', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '114.221'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '12+A23EA8DFE88512756F70DC45A'
'TALB' (Album/Movie/Show title)                     'Gogol Bordello vs. Tamir Muska'
'TBPM' (BPM (beats per minute))                     '114.221'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "Samiao's Day"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'J.U.F.'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['leftfield', 'folk rock', 'breaks', 'punk', 'rock', 'electronic', 'dub']
'TXXX:lastfmtags'                                   ['gypsy', 'alternative', 'punk', 'folk', 'gypsy punk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.474048'

========================== row from database ==========================
                                              'id'  1522246
                                            'path'  /data/Music/Bulk/00localcharacter/J.U.F. - JUF/J.U.F. - Gogol Bordello vs. Tamir Muskat - 11 - Samiao_s Day.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  175
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  4580410
                                           'mtime'  1620528663
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter JUF Muskat 11 Samiao_s loc style gypsy balkan klezmer;mi brass
                                      'tag_artist'  J.U.F.
                                     'tag_release'  Gogol Bordello vs. Tamir Muska
                                       'tag_title'  Samiao's Day
                                             'bpm'  114.221
                                    'search_title'  'day':4 's':2 'samiao':1 'samiaos':3
                                   'search_artist'  'f':3 'j':1 'juf':4 'u':2
                                  'search_release'  'bordello':2 'gogol':1 'muska':6 'tamir':5 'vs':3,4
                                     'search_rest'  'balkan':8 'brass':13 'gypsy':7 'juf':1 'klezmer':9,11 'loc':5 'mi':10,12 'muskat':2 's':4 'samiao':3 'style':6
                                    'search_combo'  'balkan':22 'bordello':10C 'brass':27 'day':4A 'f':7B 'gogol':9C 'gypsy':21 'j':5B 'juf':8B,15 'klezmer':23,25 'loc':19 'mi':24,26 'muska':14C 'muskat':16 's':2A,18 'samiao':1A,17 'samiaos':3A 'style':20 'tamir':13C 'u':6B 'vs':11C,12C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['gypsy', 'alternative', 'punk', 'folk', 'gypsy punk']
                                        'tag_date'  2004
                                     'discogstags'  ['leftfield', 'folk rock', 'breaks', 'punk', 'rock', 'electronic', 'dub']

============================== file details ==============================
                                           'mtime'  1620528663.2746477  (2021-05-09 04:51:03)
                             'size'  4580410