======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '155'
                                          'artist'  'The Left Banke'
                                     'text_people'  'Mike Brown'
                                         'release'  '60s - 70s Poppy Vocal Stuff'
                                           'title'  'pretty ballerina'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['baroque pop', '60s', 'psychedelic', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '116.320'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     '60s - 70s Poppy Vocal Stuff'
'TBPM' (BPM (beats per minute))                     '116.320'
'TCOM' (Composer)                                   'Mike Brown'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'lame'
'TIT2' (Title/songname/content description)         'pretty ballerina'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pretty Ballerina'
'TPE2' (Band/orchestra/accompaniment)               'The Left Banke'
'TPUB' (Publisher)                                  'Mercury'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['baroque pop', '60s', 'psychedelic', 'pop', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-6.15 dB'
'TXXX:replaygain_track_peak'                        '1.045318'

========================== row from database ==========================
                                              'id'  1352748
                                            'path'  /data/Music/Bulk/00poprockelectronic/60s Pop/10 Pretty Ballerina.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  155
                                           'genre'  
                                        'filesize'  3725885
                                           'mtime'  1674645824
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 Pretty Ballerina
                                      'tag_artist'  The Left Banke
                                     'tag_release'  60s - 70s Poppy Vocal Stuff
                                       'tag_title'  pretty ballerina
                                             'bpm'  116.32
                                    'search_title'  'ballerina':2 'pretty':1
                                   'search_artist'  'banke':3 'left':2 'the':1
                                  'search_release'  '60s':1 '70s':2 'poppy':3 'stuff':5 'vocal':4
                                     'search_rest'  '00poprockelectronic':1 'ballerina':3 'pretty':2
                                    'search_combo'  '00poprockelectronic':11 '60s':6C '70s':7C 'ballerina':2A,13 'banke':5B 'left':4B 'poppy':8C 'pretty':1A,12 'stuff':10C 'the':3B 'vocal':9C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['baroque pop', '60s', 'psychedelic', 'pop', 'rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674645824.288956  (2023-01-25 12:23:44)
                             'size'  3725885