======================== unified (from filesystem) ========================
                                         'bitrate'  '156.087'
                                        'duration'  '166'
                                          'artist'  'Bongo Herman'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Vice President'
                                           '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-2', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'nyahbinghi', 'nyabinghi', 'test']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '101.057'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '101.057'
'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)         'Vice President'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '166000'
'TPE1' (Lead performer(s)/Soloist(s))               'Bongo Herman'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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'                                   ['reggae', 'roots reggae', 'nyahbinghi', 'nyabinghi', 'test']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+10.28 dB'
'TXXX:replaygain_track_peak'                        '0.177476'

========================== row from database ==========================
                                              'id'  1506858
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[ja splash dsr lc 7190 7__ a] bongo herman [i roy] - vice president.mp3
                                         'working'  None
                                         'bitrate'  156
                                    'duration_sec'  166
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3262543
                                           'mtime'  1620524175
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [ja splash dsr lc 7190 7__ a] bongo herman [i roy] vice president loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Bongo Herman
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Vice President
                                             'bpm'  101.057
                                    'search_title'  'president':2 'vice':1
                                   'search_artist'  'bongo':1 'herman':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '7':9 '7190':8 'a':10,11 'and':27 'bongo':12 'dancehall':25 'dsr':6 'dub':23 'herman':13 'i':14,15 'ja':3,4 'lc':7 'loc':20 'or':22 'president':19 'reggae':1 'roots':26 'roy':16,17 'singles':2 'ska':24 'splash':5 'style':21 'vice':18
                                    'search_combo'  '7':15 '7190':14 'a':16,17 'and':33 'bongo':3B,18 'dancehall':31 'dsr':12 'dub':29 'herman':4B,19 'i':20,21 'ja':9,10 'lc':13 'loc':26 'or':28 'president':2A,25 'reggae':5C,7 'roots':32 'roy':22,23 'singles':6C,8 'ska':30 'splash':11 'style':27 'vice':1A,24
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'nyahbinghi', 'nyabinghi', 'test']
                                        'tag_date'  
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524175.0334878  (2021-05-09 03:36:15)
                             'size'  3262543