======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Carlos Argentino'
                                     'text_people'  ''
                                         'release'  'Guarachas con La Sonora Matancera'
                                           'title'  'LAS MUCHACHAS'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'latin', '60s', 'spanish']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-islands-cuba'
                                             'bpm'  '86.511'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Guarachas con La Sonora Matancera'
'TBPM' (BPM (beats per minute))                     '86.511'
'TCON' (Content type, a.k.a. Genre)                 'loc-islands-cuba'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'LAS MUCHACHAS'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Carlos Argentino'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['world', 'latin', '60s', 'spanish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.373217'

========================== row from database ==========================
                                              'id'  975680
                                            'path'  /data/Music/Bulk/00localcharacter/Guarachas con La Sonora Matancera/21. LAS MUCHACHAS (Carlos Argentino).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  loc-islands-cuba
                                        'filesize'  3524998
                                           'mtime'  1659889186
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 21. (Carlos Argentino) loc islands cuba
                                      'tag_artist'  Carlos Argentino
                                     'tag_release'  Guarachas con La Sonora Matancera
                                       'tag_title'  LAS MUCHACHAS
                                             'bpm'  86.511
                                    'search_title'  'las':1 'muchachas':2
                                   'search_artist'  'argentino':2 'carlos':1
                                  'search_release'  'con':2 'guarachas':1 'la':3 'matancera':5 'sonora':4
                                     'search_rest'  '21':1,2 'argentino':5,6 'carlos':3,4 'cuba':9 'islands':8 'loc':7
                                    'search_combo'  '21':10,11 'argentino':4B,14,15 'carlos':3B,12,13 'con':6C 'cuba':18 'guarachas':5C 'islands':17 'la':7C 'las':1A 'loc':16 'matancera':9C 'muchachas':2A 'sonora':8C
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['world', 'latin', '60s', 'spanish']
                                        'tag_date'  1994
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1659889186.0240679  (2022-08-07 18:19:46)
                             'size'  3524998