======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Don Swan'
                                     'text_people'  ''
                                         'release'  'Ultra-Lounge, Vol. 2: Mambo Fever'
                                           'title'  'Tico'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cha cha cha', 'chill906', 'all', 'latin', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '121.848'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ultra-Lounge, Vol. 2: Mambo Fever'
'TBPM' (BPM (beats per minute))                     '121.848'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Tico'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '151457'
'TPE1' (Lead performer(s)/Soloist(s))               'Don Swan'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cha cha cha', 'chill906', 'all', 'latin', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.684549'

========================== row from database ==========================
                                              'id'  771942
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Ultra Lounge 02 - Mambo Fever/14. Don Swan - Tico.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3647278
                                           'mtime'  1620536837
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 02 14. prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Don Swan
                                     'tag_release'  Ultra-Lounge, Vol. 2: Mambo Fever
                                       'tag_title'  Tico
                                             'bpm'  121.848
                                    'search_title'  'tico':1
                                   'search_artist'  'don':1 'swan':2
                                  'search_release'  '2':6,7 'fever':9 'lounge':2 'mambo':8 'ultra':1 'ultralounge':3 'vol':4,5
                                     'search_rest'  '14':5,6 'bossa':11 'country':4 'exotica':2 'jazz':1 'jb':8 'lounge':9 'oldies':3 'or':10 'prerock':7
                                    'search_combo'  '14':17,18 '2':9C,10C 'bossa':23 'country':16 'don':2B 'exotica':14 'fever':12C 'jazz':13 'jb':20 'lounge':5C,21 'mambo':11C 'oldies':15 'or':22 'prerock':19 'swan':3B 'tico':1A 'ultra':4C 'ultralounge':6C 'vol':7C,8C
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['cha cha cha', 'chill906', 'all', 'latin', 'easy listening']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536836.7443056  (2021-05-09 07:07:16)
                             'size'  3647278