======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '193'
                                          'artist'  'Royal Crown Revue'
                                     'text_people'  ''
                                         'release'  'The Contender'
                                           'title'  'Zip Gun Bop (Reloaded)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swing revival', 'jazz', 'neo swing', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '88.053'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'The Contender'
'TBPM' (BPM (beats per minute))                     '88.053'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         'Zip Gun Bop (Reloaded)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Royal Crown Revue'
'TPE2' (Band/orchestra/accompaniment)               'Royal Crown Revue'
'TRCK' (Track number/Position in set)               '3'
'TXXX:FMPS_Rating'                                  '0.8'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['swing revival', 'jazz', 'neo swing', 'swing']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.334000'

========================== row from database ==========================
                                              'id'  678761
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Royal Crown Revue/The Contender/03 - Zip Gun Bop (Reloaded).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  193
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  6210269
                                           'mtime'  1620534285
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 03 prerock jb jazz soft swing
                                      'tag_artist'  Royal Crown Revue
                                     'tag_release'  The Contender
                                       'tag_title'  Zip Gun Bop (Reloaded)
                                             'bpm'  88.053
                                    'search_title'  'bop':3 'gun':2 'reloaded':4,5 'zip':1
                                   'search_artist'  'crown':2 'revue':3 'royal':1
                                  'search_release'  'contender':2 'the':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5 'soft':7 'swing':8
                                    'search_combo'  'bop':3A 'contender':10C 'country':14 'crown':7B 'exotica':12 'gun':2A 'jazz':11 'jb':16 'oldies':13 'prerock':15 'reloaded':4A,5A 'revue':8B 'royal':6B 'soft':17 'swing':18 'the':9C 'zip':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swing revival', 'jazz', 'neo swing', 'swing']
                                        'tag_date'  1998
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620534285.0823271  (2021-05-09 06:24:45)
                             'size'  6210269