======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '307'
                                          'artist'  'James Brown'
                                     'text_people'  'James Brown'
                                         'release'  'Soul Pride: The Instrumentals - 1960-69 [Disc 2]'
                                           'title'  "Mashed Potatoes '66"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-3', 'Q-HHRNBTT-2', 'Q-UNU-1', "
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                                      'lastfmtags'  "['rnb', 'blues', 'rhythm and blues', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '2'
                                      'tracktotal'  '16'
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '113.7'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '113.7'
'TCOM' (Composer)                                   'James Brown'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1966'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         "Mashed Potatoes '66"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'James Brown'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '2/16'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'blues', 'rhythm and blues', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
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========================== row from database ==========================
                                              'id'  1509958
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/James Brown - Mashed Potatoes _66.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  307
                                           'genre'  set-th-novelty
                                        'filesize'  7371954
                                           'mtime'  1620343081
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] _66 set th novelty
                                      'tag_artist'  James Brown
                                     'tag_release'  Soul Pride: The Instrumentals - 1960-69 [Disc 2]
                                       'tag_title'  Mashed Potatoes '66
                                             'bpm'  113.7
                                    'search_title'  '66':3,4 'mashed':1 'potatoes':2
                                   'search_artist'  'brown':2 'james':1
                                  'search_release'  '1960':6 '196069':8 '2':11,12 '69':7 'disc':9,10 'instrumentals':5 'pride':2,3 'soul':1 'the':4
                                     'search_rest'  '66':10 'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':13 'oldies':3 'set':11 'th':12 'zimelis':5
                                    'search_combo'  '1960':12C '196069':14C '2':17C,18C '66':3A,4A,28 '69':13C 'baby':26,27 'brown':6B 'chow':24,25 'country':22 'disc':15C,16C 'exotica':20 'instrumentals':11C 'james':5B 'jazz':19 'mashed':1A 'novelty':31 'oldies':21 'potatoes':2A 'pride':8C,9C 'set':29 'soul':7C 'th':30 'the':10C 'zimelis':23
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'blues', 'rhythm and blues', 'soul', 'funk']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343080.6703804  (2021-05-07 01:18:00)
                             'size'  7371954