======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '195'
                                          'artist'  'UB40'
                                     'text_people'  ''
                                         'release'  'The Best Of Ub40 - Volume One'
                                           'title'  'Breakfast In Bed'
                                           '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-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', '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'  '10'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-pop'
                                             'bpm'  '143.517'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best Of Ub40 - Volume One'
'TBPM' (BPM (beats per minute))                     '143.517'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-pop'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Breakfast In Bed'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'UB40'
'TRCK' (Track number/Position in set)               '10'
'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:original release date'                        ['1987', '1987']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.642843'

========================== row from database ==========================
                                              'id'  1387077
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Ub40/MBZ;#UB40;#The Best of UB40 - Volume One;#10;#Breakfast In Bed.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  195
                                           'genre'  loc-style-reggae or dub or ska or dancehall-pop
                                        'filesize'  3130873
                                           'mtime'  1620522580
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub MBZ;#UB40;#The of One;#10;#Breakfast loc style reggae or dub or ska or dancehall pop
                                      'tag_artist'  UB40
                                     'tag_release'  The Best Of Ub40 - Volume One
                                       'tag_title'  Breakfast In Bed
                                             'bpm'  143.517
                                    'search_title'  'bed':3 'breakfast':1 'in':2
                                   'search_artist'  'ub40':1
                                  'search_release'  'best':2 'of':3 'one':6 'the':1 'ub40':4 'volume':5
                                     'search_rest'  '00reggae':1 '10':11,14 'breakfast':12,15 'dancehall':21 'dub':2 'loc':16 'mbz':3,6 'of':9 'one':10,13 'or':19 'pop':22 'reggae':18 'ska':20 'style':17 'the':5,8 'ub40':4,7
                                    'search_combo'  '00reggae':11 '10':21,24 'bed':3A 'best':6C 'breakfast':1A,22,25 'dancehall':31 'dub':12 'in':2A 'loc':26 'mbz':13,16 'of':7C,19 'one':10C,20,23 'or':29 'pop':32 'reggae':28 'ska':30 'style':27 'the':5C,15,18 'ub40':4B,8C,14,17 'volume':9C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6B
                                           '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-2', 'q-drums-3', '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'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522579.5552113  (2021-05-09 03:09:39)
                             'size'  3130873