======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '196'
                                          'artist'  'The Professionals'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  '100 Years Of Dub'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-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-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk rock', 'punk', 'post-punk', 'british', '80s']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '84.210'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '84.210'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         '100 Years Of Dub'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Professionals'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['punk rock', 'punk', 'post-punk', 'british', '80s']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.511465'

========================== row from database ==========================
                                              'id'  985257
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/(Black Wax WAX4B - 1975) The Professionals - 100 Years Of Dub.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  196
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  4715315
                                           'mtime'  1620523905
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles (Black Wax WAX4B 1975) loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  The Professionals
                                     'tag_release'  Reggae Singles
                                       'tag_title'  100 Years Of Dub
                                             'bpm'  84.21
                                    'search_title'  '100':1 'dub':4 'of':3 'years':2
                                   'search_artist'  'professionals':2 'the':1
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '1975':7,8 'and':16 'black':3,4 'dancehall':14 'dub':12 'loc':9 'or':11 'reggae':1 'roots':15 'singles':2 'ska':13 'style':10 'wax':5 'wax4b':6
                                    'search_combo'  '100':1A '1975':15,16 'and':24 'black':11,12 'dancehall':22 'dub':4A,20 'loc':17 'of':3A 'or':19 'professionals':6B 'reggae':7C,9 'roots':23 'singles':8C,10 'ska':21 'style':18 'the':5B 'wax':13 'wax4b':14 'years':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', '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'  ['punk rock', 'punk', 'post-punk', 'british', '80s']
                                        'tag_date'  1975
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620523905.2477226  (2021-05-09 03:31:45)
                             'size'  4715315