======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '259'
                                          'artist'  'Big D & The Kids Table'
                                     'text_people'  ''
                                         'release'  'How It Goes'
                                           'title'  'Moment Without An End'
                                           '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'  '20'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '97.9'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00003051 000031E8 00009272 0000B2FC 0002A15E 0002AC97 00008E60 00008E72 '
 '0002E624 0001B405')
'COMM:iTunes_CDDB_IDs:eng'                          '20+D7A501EBB0A1283ECA5949552749356B+4673394'
'TALB' (Album/Movie/Show title)                     'How It Goes'
'TBPM' (BPM (beats per minute))                     '97.9'
'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)         'Moment Without An End'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Big D & The Kids Table'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '20/20'
'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'                        '-1.67 dB'
'TXXX:replaygain_track_peak'                        '0.350602'

========================== row from database ==========================
                                              'id'  1385850
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Big D & Kids Table - Big D & The Kids Table/How It Goes/20 - Big D & The Kids Table - Moment Without An End.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  259
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  6225830
                                           'mtime'  1620521123
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 20 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'  Moment Without An End
                                             'bpm'  97.9
                                    'search_title'  'an':3 'end':4 'moment':1 'without':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 '20':3 'dancehall':9 'dub':2 'loc':4 'or':7 'punk':10 'reggae':6 'ska':8 'style':5
                                    'search_combo'  '00reggae':13 '20':15 'an':3A 'big':5B 'd':6B 'dancehall':21 'dub':14 'end':4A 'goes':12C 'how':10C 'it':11C 'kids':8B 'loc':16 'moment':1A 'or':19 'punk':22 'reggae':18 'ska':20 'style':17 'table':9B 'the':7B 'without':2A
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  10B
                                           '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'  1620521122.7971618  (2021-05-09 02:45:22)
                             'size'  6225830