======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '301'
                                          'artist'  'UB40'
                                     'text_people'  ''
                                         'release'  'Music Of The Millennium'
                                           'title'  'Red Red Wine'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'reggae', 'ska', 'british', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-pop'
                                             'bpm'  '89.256'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music Of The Millennium'
'TBPM' (BPM (beats per minute))                     '89.256'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-pop'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Red Red Wine'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'UB40'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'reggae', 'ska', 'british', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.499797'

========================== row from database ==========================
                                              'id'  1388645
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Ub40/UB40 - Red Red Wine.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  301
                                           'genre'  loc-style-reggae or dub or ska or dancehall-pop
                                        'filesize'  7233048
                                           'mtime'  1620522585
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Ub40 loc style reggae or dub or ska or dancehall pop
                                      'tag_artist'  UB40
                                     'tag_release'  Music Of The Millennium
                                       'tag_title'  Red Red Wine
                                             'bpm'  89.256
                                    'search_title'  'red':1 'wine':2
                                   'search_artist'  'ub40':1
                                  'search_release'  'millennium':4 'music':1 'of':2 'the':3
                                     'search_rest'  '00reggae':1 'dancehall':9 'dub':2 'loc':4 'or':7 'pop':10 'reggae':6 'ska':8 'style':5 'ub40':3
                                    'search_combo'  '00reggae':8 'dancehall':16 'dub':9 'loc':11 'millennium':7C 'music':4C 'of':5C 'or':14 'pop':17 'red':1A 'reggae':13 'ska':15 'style':12 'the':6C 'ub40':3B,10 'wine':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'reggae', 'ska', 'british', 'pop']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522585.3483815  (2021-05-09 03:09:45)
                             'size'  7233048