======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '144'
                                          'artist'  'Pearl Bailey'
                                     'text_people'  ''
                                         'release'  'Naughty But Nice'
                                           'title'  "They're Either Too Young or Too Old"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'jazz vocal', 'jazz', 'vocal jazz', 'blues', 'disney']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal;set-th-sex'
                                             'bpm'  '103.748'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Naughty But Nice'
'TBPM' (BPM (beats per minute))                     '103.748'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-vocal', 'set-th-sex']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "They're Either Too Young or Too Old"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pearl Bailey'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['female vocalists', 'jazz vocal', 'jazz', 'vocal jazz', 'blues', 'disney']
'TXXX:q-bass'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.40 dB'
'TXXX:replaygain_track_peak'                        '0.482677'

========================== row from database ==========================
                                              'id'  1502341
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Pearl Bailey - Naughty But Nice/10 They_re Either Too Young or Too Old.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  144
                                           'genre'  prerock-jb-jazz-vocal;set-th-sex
                                        'filesize'  4553075
                                           'mtime'  1620533451
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 10 They_re prerock jb jazz vocal;set sex
                                      'tag_artist'  Pearl Bailey
                                     'tag_release'  Naughty But Nice
                                       'tag_title'  They're Either Too Young or Too Old
                                             'bpm'  103.748
                                    'search_title'  'either':4 'old':8 'or':7 're':2 'they':1 'theyre':3 'too':5 'young':6
                                   'search_artist'  'bailey':2 'pearl':1
                                  'search_release'  'but':2 'naughty':1 'nice':3
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7 're':6 'set':10,12 'sex':13 'they':5 'vocal':9,11
                                    'search_combo'  'bailey':10B 'but':12C 'country':17 'either':4A 'exotica':15 'jazz':14 'jb':21 'naughty':11C 'nice':13C 'old':8A 'oldies':16 'or':7A 'pearl':9B 'prerock':20 're':2A,19 'set':23,25 'sex':26 'they':1A,18 'theyre':3A 'too':5A 'vocal':22,24 'young':6A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'jazz vocal', 'jazz', 'vocal jazz', 'blues', 'disney']
                                        'tag_date'  1960
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620533450.85055  (2021-05-09 06:10:50)
                             'size'  4553075