======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '239'
                                          'artist'  'Klaus Wunderlich'
                                     'text_people'  ''
                                         'release'  'The winner takes it all'
                                           'title'  'Take a chance on me'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-organ'
                                             'bpm'  '105.3'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The winner takes it all'
'TBPM' (BPM (beats per minute))                     '105.3'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-organ'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Take a chance on me'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaus Wunderlich'
'TPE2' (Band/orchestra/accompaniment)               'Klaus Wunderlich'
'TPUB' (Publisher)                                  'Connoisseur Collection'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.59 dB'
'TXXX:replaygain_track_peak'                        '0.439128'

========================== row from database ==========================
                                              'id'  1307575
                                            'path'  /data/Music/Bulk/00spent/0justbad/Klaus Wunderlich/klaus wunderlich-the collection vol. 3/10 Klaus Wunderlich - Take a chance on me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  239
                                           'genre'  mi-earlysynth-organ
                                        'filesize'  3842325
                                           'mtime'  1620528052
                                   'redo_metaread'  0
                                        'rest_str'   00spent 0justbad klaus wunderlich the collection vol. 3 10 mi earlysynth organ
                                      'tag_artist'  Klaus Wunderlich
                                     'tag_release'  The winner takes it all
                                       'tag_title'  Take a chance on me
                                             'bpm'  105.3
                                    'search_title'  'a':2 'chance':3 'me':5 'on':4 'take':1
                                   'search_artist'  'klaus':1 'wunderlich':2
                                  'search_release'  'all':5 'it':4 'takes':3 'the':1 'winner':2
                                     'search_rest'  '00spent':1 '0justbad':2 '3':9 'collection':6 'earlysynth':11 'klaus':3 'mi':10 'organ':12 'the':5 'vol':7,8 'wunderlich':4
                                    'search_combo'  '00spent':13 '0justbad':14 '3':21 'a':2A 'all':12C 'chance':3A 'collection':18 'earlysynth':23 'it':11C 'klaus':6B,15 'me':5A 'mi':22 'on':4A 'organ':24 'take':1A 'takes':10C 'the':8C,17 'vol':19,20 'winner':9C 'wunderlich':7B,16
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'hammond organ', 'hammond heaven', 'organ', 'easy listening']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528052.2845888  (2021-05-09 04:40:52)
                             'size'  3842325