======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '273'
                                          'artist'  'Godfried Bomans'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Zwemles'
                                           'quals'  ("['Q-UNU-2', 'Q-PLAY-1', 'q-bass-1', 'Q-CHART-1', 'q-drums-1', 'q-other-1', "
 "'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-BUSY-2', 'Q-GRIT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy;loc-eur-netherlands'
                                             'bpm'  '128.9'
                                             'key'  'C#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '128.9'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-speech-comedy', 'loc-eur-netherlands']
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Zwemles'
'TKEY' (Initial key)                                'C#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Godfried Bomans'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEAAAAAgeOYJs+UhTmZlz4VlRSAKISFAJSuxu1mgOfQsoABgAERZOC5gAH5OpENhDSAAaG2ngKcBYABgAG1dgNO5IKxSJH7gAKAAYGak2nSHocqI2QbvoltgEKFCPYQqoDppYDJ0C+eLYABC13fIYAB8Z6Fe41lgAGfGqJMoE6AAYABsyL8LONrq3GQ7IACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '1'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.682816'

========================== row from database ==========================
                                              'id'  1495278
                                            'path'  /data/Music/Other/Pa/Xconference/Godfried Bomans/Zwemles.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  273
                                           'genre'  nonmusic-speech-comedy;loc-eur-netherlands
                                        'filesize'  5469773
                                           'mtime'  1621083443
                                   'redo_metaread'  0
                                        'rest_str'   Pa Xconference nonmusic speech comedy;loc eur netherlands
                                      'tag_artist'  Godfried Bomans
                                     'tag_release'  None
                                       'tag_title'  Zwemles
                                             'bpm'  128.9
                                    'search_title'  'zwemles':1
                                   'search_artist'  'bomans':2 'godfried':1
                                  'search_release'  
                                     'search_rest'  'comedy':5,7 'eur':9 'loc':6,8 'netherlands':10 'nonmusic':3 'pa':1 'speech':4 'xconference':2
                                    'search_combo'  'bomans':3B 'comedy':8,10 'eur':12 'godfried':2B 'loc':9,11 'netherlands':13 'nonmusic':6 'pa':4 'speech':7 'xconference':5 'zwemles':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  C#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-1', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621083443.0498052  (2021-05-15 14:57:23)
                             'size'  5469773