======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'The Manhattan Transfer'
                                     'text_people'  ''
                                         'release'  'A League of Their Own'
                                           'title'  'on the sunny side of the street'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', '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-2']")
                                      'lastfmtags'  "['jazz', 'vocal jazz', 'vocal', 'swing', 'pop', '77davez all tracks']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-unsorted'
                                             'bpm'  '117.262'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A League of Their Own'
'TBPM' (BPM (beats per minute))                     '117.262'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-unsorted'
'TIT2' (Title/songname/content description)         'on the sunny side of the street'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Manhattan Transfer'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'vocal jazz', 'vocal', 'swing', 'pop', '77davez all tracks']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.90 dB'
'TXXX:replaygain_track_peak'                        '0.527714'

========================== row from database ==========================
                                              'id'  1310330
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Manhattan Transfer/The Manhattan Transfer__cifs251a.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  prerock-jb-unsorted
                                        'filesize'  4707806
                                           'mtime'  1620541133
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Transfer__cifs251a prerock jb unsorted
                                      'tag_artist'  The Manhattan Transfer
                                     'tag_release'  A League of Their Own
                                       'tag_title'  on the sunny side of the street
                                             'bpm'  117.262
                                    'search_title'  'of':5 'on':1 'side':4 'street':6 'sunny':3 'the':2
                                   'search_artist'  'manhattan':2 'the':1 'transfer':3
                                  'search_release'  'a':1 'league':2 'of':3 'own':5 'their':4
                                     'search_rest'  '00poprockelectronic':1 'cifs251a':3 'jb':5 'prerock':4 'transfer':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':15 'a':10C 'cifs251a':17 'jb':19 'league':11C 'manhattan':8B 'of':5A,12C 'on':1A 'own':14C 'prerock':18 'side':4A 'street':6A 'sunny':3A 'the':2A,7B 'their':13C 'transfer':9B,16 'unsorted':20
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'vocal jazz', 'vocal', 'swing', 'pop', '77davez all tracks']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541133.4290614  (2021-05-09 08:18:53)
                             'size'  4707806