======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '184'
                                          'artist'  'Yma Sumac'
                                     'text_people'  ''
                                         'release'  'Twice As Much  v2'
                                           'title'  'Wanka (The Seven Winds)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'world', 'exotica', 'peru', 'mambo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '143.7'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Twice As Much  v2'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Wanka (The Seven Winds)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yma Sumac'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'world', 'exotica', 'peru', 'mambo']
'TXXX:q-bass'                                       '1'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.470773'

========================== row from database ==========================
                                              'id'  1384764
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Yma Sumac - Twice as Much (CD 2)/16. Wanka (The Seven Winds).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  184
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  7455019
                                           'mtime'  1620537293
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country as (CD 2) 16. prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Yma Sumac
                                     'tag_release'  Twice As Much  v2
                                       'tag_title'  Wanka (The Seven Winds)
                                             'bpm'  143.7
                                    'search_title'  'seven':4 'the':2,3 'wanka':1 'winds':5,6
                                   'search_artist'  'sumac':2 'yma':1
                                  'search_release'  'as':2 'much':3 'twice':1 'v2':4
                                     'search_rest'  '16':10,11 '2':8,9 'as':5 'bossa':16 'cd':6,7 'country':4 'exotica':2 'jazz':1 'jb':13 'lounge':14 'oldies':3 'or':15 'prerock':12
                                    'search_combo'  '16':22,23 '2':20,21 'as':10C,17 'bossa':28 'cd':18,19 'country':16 'exotica':14 'jazz':13 'jb':25 'lounge':26 'much':11C 'oldies':15 'or':27 'prerock':24 'seven':4A 'sumac':8B 'the':2A,3A 'twice':9C 'v2':12C 'wanka':1A 'winds':5A,6A 'yma':7B
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'world', 'exotica', 'peru', 'mambo']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537292.8123648  (2021-05-09 07:14:52)
                             'size'  7455019