======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '428'
                                          'artist'  'Ella Fitzgerald & Joe Pass'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  'One Note Samba'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jazz', 'guitar', 'jazz vocal', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '133.1'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '133.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'One Note Samba'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ella Fitzgerald & Joe Pass'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Pablo'
'TRCK' (Track number/Position in set)               '4'
'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'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'guitar', 'jazz vocal', 'female vocalists']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '1.076661'

========================== row from database ==========================
                                              'id'  1482385
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Ella Fitzgerald & Joe Pass - one note samba.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  428
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6925662
                                           'mtime'  1620541395
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic one note samba prerock jb unsorted
                                      'tag_artist'  Ella Fitzgerald & Joe Pass
                                     'tag_release'  radio jazz 13
                                       'tag_title'  One Note Samba
                                             'bpm'  133.1
                                    'search_title'  'note':2 'one':1 'samba':3
                                   'search_artist'  'ella':1 'fitzgerald':2 'joe':3 'pass':4
                                  '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':10 'ella':4B 'fitzgerald':5B 'jazz':9C 'jb':15 'joe':6B 'note':2A,12 'one':1A,11 'pass':7B 'prerock':14 'radio':8C 'samba':3A,13 'unsorted':16
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['jazz', 'guitar', 'jazz vocal', 'female vocalists']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541395.3758903  (2021-05-09 08:23:15)
                             'size'  6925662