======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '203'
                                          'artist'  'Godfried Bomans'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sinterklaas op hol'
                                           'quals'  ("['Q-UNU-2', 'Q-PLAY-1', 'q-bass-1', 'Q-CHART-1', 'q-drums-1', 'q-other-2', "
 "'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'  '142.5'
                                             'key'  'B m'  (10A)
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.5'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-speech-comedy', 'loc-eur-netherlands']
'TIT2' (Title/songname/content description)         'Sinterklaas op hol'
'TKEY' (Initial key)                                'B m'
'TPE1' (Lead performer(s)/Soloist(s))               'Godfried Bomans'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBYtixgcWTQ/qzioZXgPsngAGAOISF9furTdosgAHe5rM0gAEJwuKEgAHoiYMMlpGAAaGppximpoABgAGhpvcy8g+rDpF+gAKAAYHukkbQOYcDH6oc6IlFgEKEafJFqYTtb4Ce0IqZm4ABBofeTYAB8ImF4o0ggAGfZJ13o1OAAYDjsYH5M+hdquORhoACgAE='
'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/'                       '0000494f0000d306e315000150090000004040400000fdefb7ffdfe2fedcc34c1e63fded337cfdf0fcecd73b8fb8decebf7cd7fbf7f0fc17807fcfc67dd3c0fa23c23f5ac1ffcf0c83f2ccffc2f08f3ff7fcc070ffccb3ef7e73cdfceff33c9f33cc3fdfeb3383a2433a76e8fe3bfd3ffff5f40cf5fcf8f40f21dc426f16c58ecfccc14d16fdc3fd47bfffe91fffdbdfcfecefee4fffde960bcff4b75c0bc9701f8dd40000319924002ac710202dc50014186c62151ec03039fff842f8ef9f79ffe74bc4fcffc3f4f2efc921fcffffd2f0f3cbd83ec4dfce3e7333adeb0f37f8ef73bf3cdfff0acbfa3fc13633cffff2fcb31fff0f7347fb497f21f37fcf8df3fff3ff708ff351b82f3313ed0c732e74fc83cff1bffd1d7dff312bed2ff73ffe70f3c32c3df3abd0bf22df0c1f4ec5509447df00000bed59091ddb05143cd0e3011ddcb90333f3f56ffffffdefbb3fdf7c3ff0383b69d01e8bb2ced50efffdcc11f337f78f23b30d76efbefce77cb9dfae38db8e77e6af78ef8f3cf3ceb6c7ce6df3cfbcfbde80d38df8df8e78e7aefae3bdf6df8c7aebce39f39cbdfbde3df3ce3df79efce3ad00'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.728024'

========================== row from database ==========================
                                              'id'  1495209
                                            'path'  /data/Music/Other/Pa/Xconference/Godfried Bomans/Sinterklaas op hol.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  203
                                           'genre'  nonmusic-speech-comedy;loc-eur-netherlands
                                        'filesize'  4067994
                                           'mtime'  1621083442
                                   'redo_metaread'  0
                                        'rest_str'   Pa Xconference nonmusic speech comedy;loc eur netherlands
                                      'tag_artist'  Godfried Bomans
                                     'tag_release'  None
                                       'tag_title'  Sinterklaas op hol
                                             'bpm'  142.5
                                    'search_title'  'hol':3 'op':2 'sinterklaas':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':5B 'comedy':10,12 'eur':14 'godfried':4B 'hol':3A 'loc':11,13 'netherlands':15 'nonmusic':8 'op':2A 'pa':6 'sinterklaas':1A 'speech':9 'xconference':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  B 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-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-1', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621083442.013141  (2021-05-15 14:57:22)
                             'size'  4067994