======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Bill Monroe bluegrass'
                                     'text_people'  ''
                                         'release'  'Bill Monroe'
                                           'title'  'John Hardy'
                                           'quals'  ("['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', "
 "'q-bass-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-country'
                                             'bpm'  '124.5'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bill Monroe'
'TBPM' (BPM (beats per minute))                     '124.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-country'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'John Hardy'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Monroe'
'TPE2' (Band/orchestra/accompaniment)               'Bill Monroe bluegrass'
'TXXX:MusicMagic Data'                              'AQEBWiGVh03BvrMBg0/OA03JgAGCvIB1QCysGQ9ogOkMi7qFgAEbZK0JgAHJJ9LQgS+AAf0q/2sIjYABgAGfOjdG0fSyt70GgAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.639092'

========================== row from database ==========================
                                              'id'  1495274
                                            'path'  /data/Music/Other/Pa/Country/Bill Monroe bluegrass/John Hardy.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-country
                                        'filesize'  3314602
                                           'mtime'  1678464282
                                   'redo_metaread'  0
                                        'rest_str'   Pa Country prerock country
                                      'tag_artist'  Bill Monroe bluegrass
                                     'tag_release'  Bill Monroe
                                       'tag_title'  John Hardy
                                             'bpm'  124.5
                                    'search_title'  'hardy':2 'john':1
                                   'search_artist'  'bill':1 'bluegrass':3 'monroe':2
                                  'search_release'  'bill':1 'monroe':2
                                     'search_rest'  'country':2 'pa':1 'prerock':3
                                    'search_combo'  'bill':3B,6C 'bluegrass':5B 'country':9 'hardy':2A 'john':1A 'monroe':4B,7C 'pa':8 'prerock':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-3', 'Q-GRIT-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', 'q-bass-1', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678464281.6278868  (2023-03-10 17:04:41)
                             'size'  3314602