======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '258'
                                          'artist'  'Dave McKenna'
                                     'text_people'  'Herb Ellis/John Freigo/Lou Carter'
                                         'release'  'radio jazz 13'
                                           'title'  'Detour Ahead'
                                           '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-1', 'q-piano-4', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jazz', 'jazz piano', 'piano jazz', 'piano', 'christmas']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '135.7'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '135.7'
'TCOM' (Composer)                                   'Herb Ellis/John Freigo/Lou Carter'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Detour Ahead'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '257985'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave McKenna'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Concord Jazz'
'TRCK' (Track number/Position in set)               '3/11'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
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'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'jazz piano', 'piano jazz', 'piano', 'christmas']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+7.12 dB'
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========================== row from database ==========================
                                              'id'  1482342
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Dave McKenna - detour ahead.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  258
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  10323678
                                           'mtime'  1620574512
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic detour ahead prerock jb unsorted
                                      'tag_artist'  Dave McKenna
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Detour Ahead
                                             'bpm'  135.7
                                    'search_title'  'ahead':2 'detour':1
                                   'search_artist'  'dave':1 'kenna':4 'mc':3 'mckenna':2
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'ahead':3 'detour':2 'jb':5 'prerock':4 'unsorted':6
                                    'search_combo'  '00poprockelectronic':9 'ahead':2A,11 'dave':3B 'detour':1A,10 'jazz':8C 'jb':13 'kenna':6B 'mc':5B 'mckenna':4B 'prerock':12 'radio':7C 'unsorted':14
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-4', '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-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['jazz', 'jazz piano', 'piano jazz', 'piano', 'christmas']
                                        'tag_date'  1989
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620574511.8827503  (2021-05-09 17:35:11)
                             'size'  10323678