======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '153'
                                          'artist'  'Massenet'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Thais meditation'
                                           'quals'  ("['Q-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-2', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '145.9'
                                             'key'  'D#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Thais meditation'
'TKEY' (Initial key)                                'D#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Massenet'
'TRCK' (Track number/Position in set)               '0'
'TXXX:MusicMagic Data'                              'AgEBWoaXhC/XhrqshRawI1eXloiFU4ACGTujMzDsgAHR6oABgAHwUqxMgFee94BHgTmAAdRMNuoAEKwAgAHDxx1c44zKoriTgAKAAZH7p/+wz4NFAdE1AKmLgv6EH/Fqm9QyAZQ35PCRQoQZ8OK0zqIb1iyd9oU2gS/VXMjW7lK6V4Niw+4AdPRlo8m45o+xgjA='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.502194'

========================== row from database ==========================
                                              'id'  1495003
                                            'path'  /data/Music/Other/Pa/Klassiek/Thais meditation.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  153
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  3084985
                                           'mtime'  1621094169
                                   'redo_metaread'  0
                                        'rest_str'   Pa Klassiek prerock classical or classical instruments
                                      'tag_artist'  Massenet
                                     'tag_release'  None
                                       'tag_title'  Thais meditation
                                             'bpm'  145.9
                                    'search_title'  'meditation':2 'thais':1
                                   'search_artist'  'massenet':1
                                  'search_release'  
                                     'search_rest'  'classical':4 'instruments':6 'klassiek':2 'or':5 'pa':1 'prerock':3
                                    'search_combo'  'classical':7 'instruments':9 'klassiek':5 'massenet':3B 'meditation':2A 'or':8 'pa':4 'prerock':6 'thais':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  D#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094169.3853486  (2021-05-15 17:56:09)
                             'size'  3084985