======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'Erma Franklin'
                                     'text_people'  ''
                                         'release'  'The Most Legendary Soul Cd1'
                                           'title'  'Take A Little Piece'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-3', 'Q-OLDST-1', 'q-chart-2', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['soul', 'female vocalists', 'blues', '7soul', 'northern soul']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop'
                                             'bpm'  '144.233'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Most Legendary Soul Cd1'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-pop'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Take A Little Piece'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Erma Franklin'
'TXXX:FMPS_Rating'                                  '0.6'
'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'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['soul', 'female vocalists', 'blues', '7soul', 'northern soul']
'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'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.536930'

========================== row from database ==========================
                                              'id'  675603
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Most Legendary Soul Cd1/Take A Little Piece.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  prerock-jb-jazz-pop
                                        'filesize'  3676959
                                           'mtime'  1620536506
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country prerock jb jazz pop
                                      'tag_artist'  Erma Franklin
                                     'tag_release'  The Most Legendary Soul Cd1
                                       'tag_title'  Take A Little Piece
                                             'bpm'  144.233
                                    'search_title'  'a':2 'little':3 'piece':4 'take':1
                                   'search_artist'  'erma':1 'franklin':2
                                  'search_release'  'cd1':5 'legendary':3 'most':2 'soul':4 'the':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'pop':7 'prerock':5
                                    'search_combo'  'a':2A 'cd1':11C 'country':15 'erma':5B 'exotica':13 'franklin':6B 'jazz':12 'jb':17 'legendary':9C 'little':3A 'most':8C 'oldies':14 'piece':4A 'pop':18 'prerock':16 'soul':10C 'take':1A 'the':7C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', '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'  ['soul', 'female vocalists', 'blues', '7soul', 'northern soul']
                                        'tag_date'  2001
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620536506.212319  (2021-05-09 07:01:46)
                             'size'  3676959