======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '249'
                                          'artist'  'Oscar Peterson'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  "Here's That Rainy Day"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
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 "'Q-CHART-2', 'q-drums-1', 'q-other-4', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['piano', 'jazz', 'bebop', 'jazz piano', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '142.7'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "Here's That Rainy Day"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Oscar Peterson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Universal'
'TRCK' (Track number/Position in set)               '8/16'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.02, LAME dll 3.89, 320 Kbit/s, Joint Stereo, High quality'
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'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
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'TXXX:Q-LOCALNESS'                                  '2'
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'TXXX:lastfmtags'                                   ['piano', 'jazz', 'bebop', 'jazz piano', 'swing']
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'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.25 dB'
'TXXX:replaygain_track_peak'                        '1.007695'

========================== row from database ==========================
                                              'id'  1514801
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Oscar Peterson - here_s that rainy day.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  249
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  9985667
                                           'mtime'  1620541503
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic here_s that rainy day prerock jb unsorted
                                      'tag_artist'  Oscar Peterson
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Here's That Rainy Day
                                             'bpm'  142.7
                                    'search_title'  'day':6 'here':1 'heres':3 'rainy':5 's':2 'that':4
                                   'search_artist'  'oscar':1 'peterson':2
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'day':6 'here':2 'jb':8 'prerock':7 'rainy':5 's':3 'that':4 'unsorted':9
                                    'search_combo'  '00poprockelectronic':11 'day':6A,16 'here':1A,12 'heres':3A 'jazz':10C 'jb':18 'oscar':7B 'peterson':8B 'prerock':17 'radio':9C 'rainy':5A,15 's':2A,13 'that':4A,14 'unsorted':19
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-1', '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-4']
                                      'lastfmtags'  ['piano', 'jazz', 'bebop', 'jazz piano', 'swing']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541502.5883455  (2021-05-09 08:25:02)
                             'size'  9985667