======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '245'
                                          'artist'  'Monchy Y Alexandra'
                                     'text_people'  ''
                                         'release'  'Hasta El Fin'
                                           'title'  'Perdidos (Balada)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['eres', 'latin', 'casandra', 'bachata', 'dominican']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-samerica;loc-style-latin'
                                             'bpm'  '129.813'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hasta El Fin'
'TBPM' (BPM (beats per minute))                     '129.813'
'TCON' (Content type, a.k.a. Genre)                 ['loc-samerica', 'loc-style-latin']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Perdidos (Balada)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Monchy Y Alexandra'
'TPE2' (Band/orchestra/accompaniment)               'Monchy Y Alexandra'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['eres', 'latin', 'casandra', 'bachata', 'dominican']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.395172'

========================== row from database ==========================
                                              'id'  388039
                                            'path'  /data/Music/Bulk/00localcharacter/Monchy Y Alexandra/[2004] Hasta El Fin/14 Perdidos (Balada).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  245
                                           'genre'  loc-samerica;loc-style-latin
                                        'filesize'  5946716
                                           'mtime'  1621629748
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2004] 14 loc samerica;loc style latin
                                      'tag_artist'  Monchy Y Alexandra
                                     'tag_release'  Hasta El Fin
                                       'tag_title'  Perdidos (Balada)
                                             'bpm'  129.813
                                    'search_title'  'balada':2,3 'perdidos':1
                                   'search_artist'  'alexandra':3 'monchy':1 'y':2
                                  'search_release'  'el':2 'fin':3 'hasta':1
                                     'search_rest'  '2004':1,2 'latin':9 'loc':3,5,7 'samerica':4,6 'style':8
                                    'search_combo'  '2004':10,11 'alexandra':6B 'balada':2A,3A 'el':8C 'fin':9C 'hasta':7C 'latin':18 'loc':12,14,16 'monchy':4B 'perdidos':1A 'samerica':13,15 'style':17 'y':5B
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['eres', 'latin', 'casandra', 'bachata', 'dominican']
                                        'tag_date'  2004
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1621629748.0225024  (2021-05-21 22:42:28)
                             'size'  5946716