======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '205'
                                          'artist'  'Slim Smith'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Send Me Some Loving'
                                           '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['early reggae', 'reggae', 'ska', 'jamaica', 'rocksteady']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '91.639'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000007CB 0000267A 00002331 00'
'COMM:iTunNORM:eng'                                 (' 000007CB 0000267A 00002331 00013116 00009C57 00015FA7 00008000 00008000 '
 '00013897 00009C57')
'PRIV:AverageLevel:: \x00\x00'                      PRIV(owner='AverageLevel', data=b': \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '91.639'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TIT2' (Title/songname/content description)         'Send Me Some Loving'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Slim Smith'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                   ['early reggae', 'reggae', 'ska', 'jamaica', 'rocksteady']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.81 dB'
'TXXX:replaygain_track_peak'                        '0.397064'

========================== row from database ==========================
                                              'id'  985189
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/slim smith - send me some loving [ps-334a] kuky3.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  205
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3290802
                                           'mtime'  1620524230
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles slim smith send some loving [ps 334a] kuky3 loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Slim Smith
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Send Me Some Loving
                                             'bpm'  91.639
                                    'search_title'  'loving':4 'me':2 'send':1 'some':3
                                   'search_artist'  'slim':1 'smith':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '334a':10,11 'and':20 'dancehall':18 'dub':16 'kuky3':12 'loc':13 'loving':7 'or':15 'ps':8,9 'reggae':1 'roots':19 'send':5 'singles':2 'ska':17 'slim':3 'smith':4 'some':6 'style':14
                                    'search_combo'  '334a':18,19 'and':28 'dancehall':26 'dub':24 'kuky3':20 'loc':21 'loving':4A,15 'me':2A 'or':23 'ps':16,17 'reggae':7C,9 'roots':27 'send':1A,13 'singles':8C,10 'ska':25 'slim':5B,11 'smith':6B,12 'some':3A,14 'style':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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'  ['early reggae', 'reggae', 'ska', 'jamaica', 'rocksteady']
                                        'tag_date'  
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524230.0136564  (2021-05-09 03:37:10)
                             'size'  3290802