======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '75'
                                          'artist'  'Graeme Quinton-Jones'
                                     'text_people'  ''
                                         'release'  'Classroom Projects - Incredible Music Made By Children In Schools'
                                           'title'  'Humoresque - Piece For Solo Piano And Flute'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                     'discogstags'  "['pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '136.2'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Classroom Projects - Incredible Music Made By Children In Schools'
'TBPM' (BPM (beats per minute))                     '136.2'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'Humoresque - Piece For Solo Piano And Flute'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '75560'
'TPE1' (Lead performer(s)/Soloist(s))               'Graeme Quinton-Jones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Trunk Records'
'TRCK' (Track number/Position in set)               '25'
'TXXX:CATALOG #'                                    'JBH049CD'
'TXXX:COUNTRY'                                      'UK'
'TXXX:DISCOGS_FORMAT'                               'CD, Album, '
'TXXX:DISCOGS_MASTER_RELEASE_ID'                    '603803'
'TXXX:DISCOGS_RELEASE_ID'                           '4963798'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.561935'
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========================== row from database ==========================
                                              'id'  369733
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VA - Classroom Projects - Incredible Music Made By Children In Schools (Trunk Records) 2013/25. Graeme Quinton-Jones - Humoresque - Piece For Solo Piano And Flute.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  75
                                           'genre'  set-th-novelty
                                        'filesize'  3501535
                                           'mtime'  1622758925
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VA (Trunk Records) 2013 25. set th novelty
                                      'tag_artist'  Graeme Quinton-Jones
                                     'tag_release'  Classroom Projects - Incredible Music Made By Children In Schools
                                       'tag_title'  Humoresque - Piece For Solo Piano And Flute
                                             'bpm'  136.2
                                    'search_title'  'and':6 'flute':7 'for':3 'humoresque':1 'piano':5 'piece':2 'solo':4
                                   'search_artist'  'graeme':1 'jones':3 'quinton':2 'quintonjones':4
                                  'search_release'  'by':6 'children':7 'classroom':1 'in':8 'incredible':3 'made':5 'music':4 'projects':2 'schools':9
                                     'search_rest'  '2013':6 '25':7,8 'novelty':11 'records':4,5 'set':9 'th':10 'trunk':2,3 'va':1
                                    'search_combo'  '2013':26 '25':27,28 'and':6A 'by':17C 'children':18C 'classroom':12C 'flute':7A 'for':3A 'graeme':8B 'humoresque':1A 'in':19C 'incredible':14C 'jones':10B 'made':16C 'music':15C 'novelty':31 'piano':5A 'piece':2A 'projects':13C 'quinton':9B 'quintonjones':11B 'records':24,25 'schools':20C 'set':29 'solo':4A 'th':30 'trunk':22,23 'va':21
                                    'tag_tracknum'  25
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2013
                                     'discogstags'  ['pop', 'rock']

============================== file details ==============================
                                           'mtime'  1622758924.6469042  (2021-06-04 00:22:04)
                             'size'  3501535