======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '165'
                                          'artist'  'Trio Los Panchos'
                                     'text_people'  ''
                                         'release'  '20 Super  Sucessos'
                                           'title'  'Vaya con Dios'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', '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'  "['latino americain', 'latin', 'mexico', 'bolero']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-samerica-mexico'
                                             'bpm'  '101.3'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     '20 Super  Sucessos'
'TBPM' (BPM (beats per minute))                     '101.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-mexico'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Vaya con Dios'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '165616'
'TPE1' (Lead performer(s)/Soloist(s))               'Trio Los Panchos'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['latino americain', 'latin', 'mexico', 'bolero']
'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'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.694618'

========================== row from database ==========================
                                              'id'  730653
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Trio Los Panchos - 20 Super Sucessos/Trio Los Panchos - Vaya con Dios.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  165
                                           'genre'  loc-samerica-mexico
                                        'filesize'  2651909
                                           'mtime'  1621626206
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm loc samerica mexico
                                      'tag_artist'  Trio Los Panchos
                                     'tag_release'  20 Super  Sucessos
                                       'tag_title'  Vaya con Dios
                                             'bpm'  101.3
                                    'search_title'  'con':2 'dios':3 'vaya':1
                                   'search_artist'  'los':2 'panchos':3 'trio':1
                                  'search_release'  '20':1 'sucessos':3 'super':2
                                     'search_rest'  'loc':1 'mexico':3 'samerica':2
                                    'search_combo'  '20':7C 'con':2A 'dios':3A 'loc':10 'los':5B 'mexico':12 'panchos':6B 'samerica':11 'sucessos':9C 'super':8C 'trio':4B 'vaya':1A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['latino americain', 'latin', 'mexico', 'bolero']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626206.164952  (2021-05-21 21:43:26)
                             'size'  2651909