======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '147'
                                          'artist'  'Wild Bill Cooksy'
                                     'text_people'  ''
                                         'release'  'Twisted Tales From The Vinyl Wastelands Vol. 4 - Hippie In A Blunder'
                                           'title'  'Wild Bill Cooksy \x14 Mississippi Hippie'
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                                     'discogstags'  "['country rock', 'folk, world, & country', 'pop', 'country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '33'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-pl-spelling'
                                             'bpm'  '113.073'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000C20 00000BFE 00004FEF 00004EA4 0000C15E 0000C15E 0000842F 00008460 '
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'COMM:iTunPGAP:eng'                                 '0'
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'TBPM' (BPM (beats per minute))                     '113.073'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country', 'set-pl-spelling']
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Wild Bill Cooksy \x14 Mississippi Hippie'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wild Bill Cooksy'
'TRCK' (Track number/Position in set)               '9/33'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['country rock', 'folk, world, & country', 'pop', 'country']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.446385'

========================== row from database ==========================
                                              'id'  768902
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Wild Bill Cooksy - Mississippi Hippie  TTWV.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  147
                                           'genre'  loc-namerica-country;set-pl-spelling
                                        'filesize'  3537566
                                           'mtime'  1621630340
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling TTWV loc namerica country;set pl spelling
                                      'tag_artist'  Wild Bill Cooksy
                                     'tag_release'  Twisted Tales From The Vinyl Wastelands Vol. 4 - Hippie In A Blunder
                                       'tag_title'  Wild Bill Cooksy  Mississippi Hippie
                                             'bpm'  113.073
                                    'search_title'  'bill':2 'cooksy':3 'hippie':5 'mississippi':4 'wild':1
                                   'search_artist'  'bill':2 'cooksy':3 'wild':1
                                  'search_release'  '4':9 'a':12 'blunder':13 'from':3 'hippie':10 'in':11 'tales':2 'the':4 'twisted':1 'vinyl':5 'vol':7,8 'wastelands':6
                                     'search_rest'  '0novelty':2 '0playlists':1 'country':8,10 'loc':6 'namerica':7 'pl':12 'set':9,11 'spelling':4 'themes':3 'ttwv':5
                                    'search_combo'  '0novelty':23 '0playlists':22 '4':17C 'a':20C 'bill':2A,7B 'blunder':21C 'cooksy':3A,8B 'country':29,31 'from':11C 'hippie':5A,18C 'in':19C 'loc':27 'mississippi':4A 'namerica':28 'pl':33 'set':30,32 'spelling':25 'tales':10C 'the':12C 'themes':24 'ttwv':26 'twisted':9C 'vinyl':13C 'vol':15C,16C 'wastelands':14C 'wild':1A,6B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['country rock', 'folk, world, & country', 'pop', 'country']

============================== file details ==============================
                                           'mtime'  1621630340.45561  (2021-05-21 22:52:20)
                             'size'  3537566