======================== unified (from filesystem) ========================
                                         'bitrate'  '206.495'
                                        'duration'  '151'
                                          'artist'  'Madness'
                                     'text_people'  ''
                                         'release'  'One Step Beyond...'
                                           'title'  "Rockin' in A Flat"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'ska', 'pop', 'british']"
                                     'discogstags'  "['rock', 'ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '103.272'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'One Step Beyond...'
'TBPM' (BPM (beats per minute))                     '103.272'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         "Rockin' in A Flat"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Madness'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'ska']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'ska', 'pop', 'british']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.591996'

========================== row from database ==========================
                                              'id'  1499547
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Madness/12- Rockin_ In A flat.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  151
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  3913213
                                           'mtime'  1620521821
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 12 Rockin_ In flat loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Madness
                                     'tag_release'  One Step Beyond...
                                       'tag_title'  Rockin' in A Flat
                                             'bpm'  103.272
                                    'search_title'  'a':4 'flat':5 'in':3 'rockin':1,2
                                   'search_artist'  'madness':1
                                  'search_release'  'beyond':3,4 'one':1 'step':2
                                     'search_rest'  '00reggae':1 'dancehall':11 'dub':2 'flat':5 'in':4 'loc':6 'or':9 'reggae':8 'rockin':3 'ska':10 'style':7
                                    'search_combo'  '00reggae':11 'a':4A 'beyond':9C,10C 'dancehall':21 'dub':12 'flat':5A,15 'in':3A,14 'loc':16 'madness':6B 'one':7C 'or':19 'reggae':18 'rockin':1A,2A,13 'ska':20 'step':8C 'style':17
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'ska', 'pop', 'british']
                                        'tag_date'  1979
                                     'discogstags'  ['rock', 'ska']

============================== file details ==============================
                                           'mtime'  1620521821.1704848  (2021-05-09 02:57:01)
                             'size'  3913213