======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'Tino Contreras'
                                     'text_people'  ''
                                         'release'  'El Jazz Mexicano de Tino Contreras'
                                           'title'  'En el Viejo Estambul'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'jazz', 'mexican jazz', 'latin jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-latin'
                                             'bpm'  '146.000'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'El Jazz Mexicano de Tino Contreras'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-latin'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'En el Viejo Estambul'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tino Contreras'
'TPE2' (Band/orchestra/accompaniment)               'Tino Contreras'
'TPUB' (Publisher)                                  'Jazzman JMANLP 043'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'mexican jazz', 'latin jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.843260'

========================== row from database ==========================
                                              'id'  765806
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/tino contreras - el jazz mexicano de tino contreras [jazzman] - 2011/03 - En el Viejo Estambul.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  prerock-jb-jazz-latin
                                        'filesize'  9406713
                                           'mtime'  1620538162
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country tino contreras jazz mexicano tino contreras [jazzman] 2011 03 prerock jb jazz latin
                                      'tag_artist'  Tino Contreras
                                     'tag_release'  El Jazz Mexicano de Tino Contreras
                                       'tag_title'  En el Viejo Estambul
                                             'bpm'  146.0
                                    'search_title'  'el':2 'en':1 'estambul':4 'viejo':3
                                   'search_artist'  'contreras':2 'tino':1
                                  'search_release'  'contreras':6 'de':4 'el':1 'jazz':2 'mexicano':3 'tino':5
                                     'search_rest'  '2011':10 'contreras':6 'country':4 'exotica':2 'jazz':1 'jazzman':8,9 'jb':12 'latin':13 'mexicano':7 'oldies':3 'prerock':11 'tino':5
                                    'search_combo'  '2011':22 'contreras':6B,12C,18 'country':16 'de':10C 'el':2A,7C 'en':1A 'estambul':4A 'exotica':14 'jazz':8C,13 'jazzman':20,21 'jb':24 'latin':25 'mexicano':9C,19 'oldies':15 'prerock':23 'tino':5B,11C,17 'viejo':3A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['all', 'jazz', 'mexican jazz', 'latin jazz']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538161.6951795  (2021-05-09 07:29:21)
                             'size'  9406713