======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '196'
                                          'artist'  'Stan Getz'
                                     'text_people'  'Antônio Carlos Jobim/Newton Mendonça'
                                         'release'  'radio jazz 13'
                                           'title'  'One-Note Samba'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['bossa nova', 'jazz', 'saxophone', 'latin', 'latin jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '118.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '118.8'
'TCOM' (Composer)                                   'Antônio Carlos Jobim/Newton Mendonça'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'One-Note Samba'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stan Getz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Verve'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bossa nova', 'jazz', 'saxophone', 'latin', 'latin jazz']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.979548'

========================== row from database ==========================
                                              'id'  1482340
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Stan Getz - one note samba.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  196
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  7851503
                                           'mtime'  1620541557
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic one note samba prerock jb unsorted
                                      'tag_artist'  Stan Getz
                                     'tag_release'  radio jazz 13
                                       'tag_title'  One-Note Samba
                                             'bpm'  118.8
                                    'search_title'  'note':2 'one':1 'onenote':3 'samba':4
                                   'search_artist'  'getz':2 'stan':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'jb':6 'note':3 'one':2 'prerock':5 'samba':4 'unsorted':7
                                    'search_combo'  '00poprockelectronic':9 'getz':6B 'jazz':8C 'jb':14 'note':2A,11 'one':1A,10 'onenote':3A 'prerock':13 'radio':7C 'samba':4A,12 'stan':5B 'unsorted':15
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['bossa nova', 'jazz', 'saxophone', 'latin', 'latin jazz']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541557.0445583  (2021-05-09 08:25:57)
                             'size'  7851503