======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '436'
                                          'artist'  'Deliver Us'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ofra Haza & Eden Riegel'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore']"
                                     'discogstags'  "['metalcore', 'post-hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '133.933'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '133.933'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Ofra Haza & Eden Riegel'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deliver Us'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['metalcore', 'post-hardcore', 'rock']
'TXXX:lastfmtags'                                   'metalcore'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.747716'

========================== row from database ==========================
                                              'id'  777644
                                            'path'  /data/Music/Bulk/00localcharacter/Deliver Us - Ofra Haza & Eden Riegel.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  436
                                           'genre'  loc-unsorted
                                        'filesize'  6980838
                                           'mtime'  1620400866
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter loc unsorted
                                      'tag_artist'  Deliver Us
                                     'tag_release'  None
                                       'tag_title'  Ofra Haza & Eden Riegel
                                             'bpm'  133.933
                                    'search_title'  'eden':3 'haza':2 'ofra':1 'riegel':4
                                   'search_artist'  'deliver':1 'us':2
                                  'search_release'  
                                     'search_rest'  'loc':1 'unsorted':2
                                    'search_combo'  'deliver':5B 'eden':3A 'haza':2A 'loc':7 'ofra':1A 'riegel':4A 'unsorted':8 'us':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['metalcore']
                                        'tag_date'  
                                     'discogstags'  ['metalcore', 'post-hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620400865.833895  (2021-05-07 17:21:05)
                             'size'  6980838