======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '308'
                                          'artist'  'Europe'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'The Final Countdown'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'classic rock', 'hair metal', 'hard rock', 'rock']"
                                     'discogstags'  "['trance', 'techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-zomg80s'
                                             'bpm'  '117.398'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '117.398'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-zomg80s']
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'The Final Countdown'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Europe'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['trance', 'techno', 'electronic']
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'hair metal', 'hard rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.438183'

========================== row from database ==========================
                                              'id'  1342509
                                            'path'  /data/Music/Bulk/00poprockelectronic/Formel_ Eins/Die Kulthits CD 3/Best_Of_Formel_Eins_-_Die_Kulthits_CD_3_-_17_-_The_Final_Countdown.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  308
                                           'genre'  electronic-we-disco or italo;set-pl-zomg80s
                                        'filesize'  7424448
                                           'mtime'  1620538097
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Formel_ Eins Die Kulthits CD 3 Best_Of_Formel_Eins_ _Die_Kulthits_CD_3_ _17_ _The_Final_Countdown electronic we disco or italo;set pl zomg80s
                                      'tag_artist'  Europe
                                     'tag_release'  miscitalo
                                       'tag_title'  The Final Countdown
                                             'bpm'  117.398
                                    'search_title'  'countdown':3 'final':2 'the':1
                                   'search_artist'  'europe':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00poprockelectronic':1 '17':16 '3':7,15 'best':8 'cd':6,14 'countdown':19 'die':4,12 'disco':22 'eins':3,11 'electronic':20 'final':18 'formel':2,10 'italo':24,26 'kulthits':5,13 'of':9 'or':23 'pl':28 'set':25,27 'the':17 'we':21 'zomg80s':29
                                    'search_combo'  '00poprockelectronic':6 '17':21 '3':12,20 'best':13 'cd':11,19 'countdown':3A,24 'die':9,17 'disco':27 'eins':8,16 'electronic':25 'europe':4B 'final':2A,23 'formel':7,15 'italo':29,31 'kulthits':10,18 'miscitalo':5C 'of':14 'or':28 'pl':33 'set':30,32 'the':1A,22 'we':26 'zomg80s':34
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'classic rock', 'hair metal', 'hard rock', 'rock']
                                        'tag_date'  1980
                                     'discogstags'  ['trance', 'techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620538096.7815259  (2021-05-09 07:28:16)
                             'size'  7424448