======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'Ska Cubano'
                                     'text_people'  ''
                                         'release'  'Ska Cubano'
                                           'title'  'Con El Chan Chan'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['reggae', 'cuban', 'latin', 'ska', 'cuba']"
                                     'discogstags'  "['reggae', 'latin', 'cumbia', 'ska', 'son']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-islands-cuba'
                                             'bpm'  '104.390'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ska Cubano'
'TBPM' (BPM (beats per minute))                     '104.390'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-cuba'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Con El Chan Chan'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ska Cubano'
'TPE2' (Band/orchestra/accompaniment)               'Ska Cubano'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['reggae', 'latin', 'cumbia', 'ska', 'son']
'TXXX:lastfmtags'                                   ['reggae', 'cuban', 'latin', 'ska', 'cuba']
'TXXX:original release date'                        ['2004', '2003']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.468190'

========================== row from database ==========================
                                              'id'  1398232
                                            'path'  /data/Music/Bulk/00localcharacter/00islands/Ska Cubano/Ska Cubano/14 - Ska Cubano - Con El Chan Chan.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  loc-islands-cuba
                                        'filesize'  4574694
                                           'mtime'  1620534867
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00islands 14 loc islands cuba
                                      'tag_artist'  Ska Cubano
                                     'tag_release'  Ska Cubano
                                       'tag_title'  Con El Chan Chan
                                             'bpm'  104.39
                                    'search_title'  'chan':3 'con':1 'el':2
                                   'search_artist'  'cubano':2 'ska':1
                                  'search_release'  'cubano':2 'ska':1
                                     'search_rest'  '00islands':1 'cuba':4 'islands':3 'loc':2
                                    'search_combo'  '00islands':8 'chan':3A 'con':1A 'cuba':11 'cubano':5B,7C 'el':2A 'islands':10 'loc':9 'ska':4B,6C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'cuban', 'latin', 'ska', 'cuba']
                                        'tag_date'  2003
                                     'discogstags'  ['reggae', 'latin', 'cumbia', 'ska', 'son']

============================== file details ==============================
                                           'mtime'  1620534867.0348444  (2021-05-09 06:34:27)
                             'size'  4574694