======================== unified (from filesystem) ========================
                                         'bitrate'  '181.528'
                                        'duration'  '134'
                                          'artist'  'Kewi University Of Swing'
                                     'text_people'  ''
                                         'release'  'Kewis Komplete'
                                           'title'  'Besser So'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1980er', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  '27'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '113.772'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'BF0FA31B'
'COMM:ID3v1 Comment:XXX'                            'BF0FA31B'
'TALB' (Album/Movie/Show title)                     'Kewis Komplete'
'TBPM' (BPM (beats per minute))                     '113.772'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Besser So'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kewi University Of Swing'
'TRCK' (Track number/Position in set)               '27/27'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['1980er', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.673636'

========================== row from database ==========================
                                              'id'  1393271
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Kewi University Of Swing/Kewis Komplete/Kewi University of Swing - Besser so - 27.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  134
                                           'genre'  loc-eur-netherlands
                                        'filesize'  3056312
                                           'mtime'  1621629517
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe of so 27 loc eur netherlands
                                      'tag_artist'  Kewi University Of Swing
                                     'tag_release'  Kewis Komplete
                                       'tag_title'  Besser So
                                             'bpm'  113.772
                                    'search_title'  'besser':1 'so':2
                                   'search_artist'  'kewi':1 'of':3 'swing':4 'university':2
                                  'search_release'  'kewis':1 'komplete':2
                                     'search_rest'  '00mid':1 '27':6 'eur':8 'europe':3 'loc':7 'netherlands':9 'north':2 'of':4 'so':5
                                    'search_combo'  '00mid':9 '27':14 'besser':1A 'eur':16 'europe':11 'kewi':3B 'kewis':7C 'komplete':8C 'loc':15 'netherlands':17 'north':10 'of':5B,12 'so':2A,13 'swing':6B 'university':4B
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['1980er', 'pop']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629517.3618407  (2021-05-21 22:38:37)
                             'size'  3056312