======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '217'
                                          'artist'  'Shawn Brown'
                                     'text_people'  'Shawn Brown'
                                         'release'  'Shirley & Spinoza'
                                           'title'  "Rappin' Duke"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['comedy', 'under 2000 listeners', '80s', 'old school rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '111.455'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '111.455'
'TCOM' (Composer)                                   'Shawn Brown'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         "Rappin' Duke"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shawn Brown'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['comedy', 'under 2000 listeners', '80s', 'old school rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.595493'

========================== row from database ==========================
                                              'id'  1520360
                                            'path'  /data/Music/Bulk/sns/Shawn Brown - Rappin_ Duke.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  217
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3485696
                                           'mtime'  1620357062
                                   'redo_metaread'  0
                                        'rest_str'   sns Rappin_ set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Shawn Brown
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Rappin' Duke
                                             'bpm'  111.455
                                    'search_title'  'duke':3 'rappin':1,2
                                   'search_artist'  'brown':2 'shawn':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':9 'pl':4 'rappin':2 'set':3,6,8 'shirleyspinoza':5,7 'sns':1
                                    'search_combo'  'brown':5B 'duke':3A 'mor':16 'pl':11 'rappin':1A,2A,9 'set':10,13,15 'shawn':4B 'shirley':6C 'shirleyspinoza':12,14 'sns':8 'spinoza':7C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'under 2000 listeners', '80s', 'old school rap']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620357062.176651  (2021-05-07 05:11:02)
                             'size'  3485696