======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '214'
                                          'artist'  'Johnny Clarke'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  "Don't Trouble Trouble"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'all', 'jamaica', 'dub', 'roots reggae', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '102.540'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:z\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'z\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '102.540'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "Don't Trouble Trouble"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Clarke'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'all', 'jamaica', 'dub', 'roots reggae', 'roots']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.837485'

========================== row from database ==========================
                                              'id'  1515721
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/TJHTE011B1 - Johnny Clarke - Don_t Trouble Trouble.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  214
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  5139858
                                           'mtime'  1620524038
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles TJHTE011B1 Don_t loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Johnny Clarke
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Don't Trouble Trouble
                                             'bpm'  102.54
                                    'search_title'  'don':1 'dont':3 't':2 'trouble':4
                                   'search_artist'  'clarke':2 'johnny':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  'and':13 'dancehall':11 'don':4 'dub':9 'loc':6 'or':8 'reggae':1 'roots':12 'singles':2 'ska':10 'style':7 't':5 'tjhte011b1':3
                                    'search_combo'  'and':21 'clarke':6B 'dancehall':19 'don':1A,12 'dont':3A 'dub':17 'johnny':5B 'loc':14 'or':16 'reggae':7C,9 'roots':20 'singles':8C,10 'ska':18 'style':15 't':2A,13 'tjhte011b1':11 'trouble':4A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'all', 'jamaica', 'dub', 'roots reggae', 'roots']
                                        'tag_date'  2003
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524037.6754932  (2021-05-09 03:33:57)
                             'size'  5139858