======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '253'
                                          'artist'  'Big D & The Kids Table'
                                     'text_people'  ''
                                         'release'  'How It Goes'
                                           'title'  'If We Want To'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'ska punk', 'punk', 'skacore', 'ska-punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '128.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00002C07 000047D2 0000F591 0001218E 00023E97 0000B5A1 00008DA5 00009092 '
 '000287A7 000013CB')
'COMM:iTunes_CDDB_IDs:eng'                          '20+D7A501EBB0A1283ECA5949552749356B+4673394'
'TALB' (Album/Movie/Show title)                     'How It Goes'
'TBPM' (BPM (beats per minute))                     '128.4'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska-punk'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v4.8.0.32'
'TIT2' (Title/songname/content description)         'If We Want To'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big D & The Kids Table'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/20'
'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:lastfmtags'                                   ['ska', 'ska punk', 'punk', 'skacore', 'ska-punk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.308958'

========================== row from database ==========================
                                              'id'  1388068
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Big D & Kids Table - Big D & The Kids Table/How It Goes/04 - Big D & The Kids Table - If We Want To.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  253
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  6082879
                                           'mtime'  1620521104
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 04 loc style reggae or dub or ska or dancehall ska punk
                                      'tag_artist'  Big D & The Kids Table
                                     'tag_release'  How It Goes
                                       'tag_title'  If We Want To
                                             'bpm'  128.4
                                    'search_title'  'if':1 'to':4 'want':3 'we':2
                                   'search_artist'  'big':1 'd':2 'kids':4 'table':5 'the':3
                                  'search_release'  'goes':3 'how':1 'it':2
                                     'search_rest'  '00reggae':1 'dancehall':8 'dub':2 'loc':3 'or':6 'punk':9 'reggae':5 'ska':7 'style':4
                                    'search_combo'  '00reggae':13 'big':5B 'd':6B 'dancehall':20 'dub':14 'goes':12C 'how':10C 'if':1A 'it':11C 'kids':8B 'loc':15 'or':18 'punk':21 'reggae':17 'ska':19 'style':16 'table':9B 'the':7B 'to':4A 'want':3A 'we':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'ska punk', 'punk', 'skacore', 'ska-punk']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521103.7852697  (2021-05-09 02:45:03)
                             'size'  6082879