======================== unified (from filesystem) ========================
                                         'bitrate'  '251.078'
                                        'duration'  '279'
                                          'artist'  'Better Than Ezra'
                                     'text_people'  'Kevin Griffin'
                                         'release'  'How Does Your Garden Grow?'
                                           'title'  'One More Murder'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'indie', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '14'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '130.482'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'How Does Your Garden Grow?'
'TBPM' (BPM (beats per minute))                     '130.482'
'TCOM' (Composer)                                   'Kevin Griffin'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1998-08-25'
'TENC' (Encoded by)                                 'LAME 3.90.3 --alt-preset extreme'
'TIT2' (Title/songname/content description)         'One More Murder'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Better Than Ezra'
'TPE2' (Band/orchestra/accompaniment)               'Better Than Ezra'
'TPUB' (Publisher)                                  'Elektra'
'TRCK' (Track number/Position in set)               '2/14'
'TSOP' (Performer sort order)                       'Better Than Ezra'
'TXXX:ALBUMARTISTSORT'                              'Better Than Ezra'
'TXXX:ASIN'                                         'B000009NUC'
'TXXX:BARCODE'                                      '075596224727'
'TXXX:CATALOGNUMBER'                                '62247-2'
'TXXX:MusicBrainz Album Artist Id'                  '7986c185-d91d-4204-8ee2-eac5d503fe39'
'TXXX:MusicBrainz Album Id'                         '32422903-2376-4e62-8f71-733e9c18b178'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7986c185-d91d-4204-8ee2-eac5d503fe39'
'TXXX:MusicIP PUID'                                 'aa1666f9-24b7-f81c-394d-87a5d8b40154'
'TXXX:MusicMagic Data'                              'AgEAOtdrqNuTRaCbgTXsakVJkfCETowyyXOUw1JQ0U7terqFi8fXGa1LKe/ZicMlg2+AAQOUiG8xINbOgJ7Yjt2KAquwEeWmgAKAAbGEm1+1oIKF/cIrV4cJhFOKpt2ylx1agLmwAQCbLJDS6DmuTdtPtvO3GIJqgp4hj5aMMfznuKKX4iDtdO8dtwT+kID+gAE='
'TXXX:MusicMagic Fingerprint'                       'AQiSL1ZCLzSKLQgW9hVtE70iBRe0F18P0Qi+D2cGvAeZBSoIagOqBBgNvgf8Bp8FGARcBF0C/gOYBA0ELgMEAmAClgI6AjgB5wHNAZwBxQGs9wvS8Mh184czqwEMDo4GclCRBt397AG4CAslLQVXA6gCfQYiAgABcAEMAVgCoQFbAXQBmAEAARQBdwDtAKYAaAACAGYADwA2AA4ADgApADkBaQeG0kHy8QNZEDT+1QUW1Z1WTD9HA0P/8Aa9A7gHvAB0/+sDuQN9Ci4IGQaMAzAFMwWfApsDIgSDBA8BuAGSAf4BmAFfATUBFgEhASsBHO7Ft5n/l0D4ImIHsQo7D0DkmwYA/tT9rPehwCz7rQCXAD/7VQAFAW/4qv+1/iYBnv/0AHwAgwBdAIoA2wCGAHkAWwCfAGkAXAAIAAUAFgAhBqwgkPP0+HJE4PN28aH+UNeRILSwC/maBVAJ+v1P9dT+agRSAp/+ZeyD9xf6OPuo/Ez9Ff7m/p79I/2cAOUAwwEIAJ0A9QCqAKsAhACeAIT/9QwpEHfrluU59sX+i/gUPfdA/+wz4/j6/rwK9sDynf3F/F//hQBH7h30Kfx7/aX9e/4y/mr+Yv0U/UX/Hv/c//v/2QAw/9QAHf/n/+z/1u7fyI808w0h5s735fBV8j/36CwU8pvbt/o4RoQCafxy/r789f8//y/6vvtA+Cb6XPna+ib8tPsn+p75+/y6/YL9sP3f/eH+FP57/lj+Z/38MCQbEA=='
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'indie', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.303104'

========================== row from database ==========================
                                              'id'  1327256
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Better Than Ezra-How Does Your Garden Grow-02-One More Murder.mp3
                                         'working'  None
                                         'bitrate'  251
                                    'duration_sec'  279
                                           'genre'  rock-unsorted
                                        'filesize'  8764643
                                           'mtime'  1620392298
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 rock unsorted
                                      'tag_artist'  Better Than Ezra
                                     'tag_release'  How Does Your Garden Grow?
                                       'tag_title'  One More Murder
                                             'bpm'  130.482
                                    'search_title'  'more':2 'murder':3 'one':1
                                   'search_artist'  'better':1 'ezra':3 'than':2
                                  'search_release'  'does':2 'garden':4 'grow':5 'how':1 'your':3
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'rock':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'better':4B 'does':8C 'ezra':6B 'files':16,17 'garden':10C 'grow':11C 'how':7C 'loose':14,15 'more':2A 'murder':3A 'one':1A 'rock':18 'than':5B 'unsorted':13 'your':9C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'indie', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620392297.6507144  (2021-05-07 14:58:17)
                             'size'  8764643