======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '194'
                                          'artist'  'Andres Segovia and John Williams'
                                     'text_people'  ''
                                         'release'  'Art Of The Guitar '
                                           'title'  'Bach Suite No. 1 - Minuetto I & II'
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '117.877'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Art Of The Guitar '
'TBPM' (BPM (beats per minute))                     '117.877'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Bach Suite No. 1 - Minuetto I & II'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Andres Segovia and John Williams'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+5.93 dB'
'TXXX:replaygain_track_peak'                        '0.874889'

========================== row from database ==========================
                                              'id'  965090
                                            'path'  /data/Music/Bulk/00localcharacter/HAROLD/Classical Guitar - Bach Suite No 1 - Minuetto I Ii - Andres Segovia and John Williams.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  194
                                           'genre'  loc-unsorted
                                        'filesize'  3109060
                                           'mtime'  1620400977
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter HAROLD Classical Ii loc unsorted
                                      'tag_artist'  Andres Segovia and John Williams
                                     'tag_release'  Art Of The Guitar 
                                       'tag_title'  Bach Suite No. 1 - Minuetto I & II
                                             'bpm'  117.877
                                    'search_title'  '1':5 'bach':1 'i':7 'ii':8 'minuetto':6 'no':3,4 'suite':2
                                   'search_artist'  'and':3 'andres':1 'john':4 'segovia':2 'williams':5
                                  'search_release'  'art':1 'guitar':4 'of':2 'the':3
                                     'search_rest'  'classical':2 'harold':1 'ii':3 'loc':4 'unsorted':5
                                    'search_combo'  '1':5A 'and':11B 'andres':9B 'art':14C 'bach':1A 'classical':19 'guitar':17C 'harold':18 'i':7A 'ii':8A,20 'john':12B 'loc':21 'minuetto':6A 'no':3A,4A 'of':15C 'segovia':10B 'suite':2A 'the':16C 'unsorted':22 'williams':13B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620400976.803852  (2021-05-07 17:22:56)
                             'size'  3109060