======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '68'
                                          'artist'  'Charles Bogart'
                                     'text_people'  ''
                                         'release'  "Big Ears - Fitzgerald's Manifesto"
                                           'title'  'The Mystery Frog'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  '35'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor'
                                             'bpm'  '85.2'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000000F8 000000FF 00002C86 000027CB 000031E5 000031E5 0000435E 000042E7 '
 '000031CB 000000EB')
'COMM:iTunes_CDDB_IDs:eng'                          '35+F604417F459430F546C283FAAFB5BA7D+5984032'
'TALB' (Album/Movie/Show title)                     "Big Ears - Fitzgerald's Manifesto"
'TBPM' (BPM (beats per minute))                     '85.2'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa', 'set-pl-mor']
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'The Mystery Frog'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Charles Bogart'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '32/35'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.623926'

========================== row from database ==========================
                                              'id'  1523377
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Tim Steiner - Big Ears - Fitzgerald_s Manifesto/32 Charles Bogart.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  68
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor
                                        'filesize'  2197356
                                           'mtime'  1620536776
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Tim Steiner Fitzgerald_s 32 prerock jb jazz lounge or exotica or bossa;set pl mor
                                      'tag_artist'  Charles Bogart
                                     'tag_release'  Big Ears - Fitzgerald's Manifesto
                                       'tag_title'  The Mystery Frog
                                             'bpm'  85.2
                                    'search_title'  'frog':3 'mystery':2 'the':1
                                   'search_artist'  'bogart':2 'charles':1
                                  'search_release'  'big':1 'ears':2 'fitzgerald':3 'fitzgeralds':5 'manifesto':6 's':4
                                     'search_rest'  '32':9 'bossa':14,16 'country':4 'exotica':2 'fitzgerald':7 'jazz':1 'jb':11 'lounge':12 'mor':19 'oldies':3 'or':13 'pl':18 'prerock':10 's':8 'set':15,17 'steiner':6 'tim':5
                                    'search_combo'  '32':20 'big':6C 'bogart':5B 'bossa':25,27 'charles':4B 'country':15 'ears':7C 'exotica':13 'fitzgerald':8C,18 'fitzgeralds':10C 'frog':3A 'jazz':12 'jb':22 'lounge':23 'manifesto':11C 'mor':30 'mystery':2A 'oldies':14 'or':24 'pl':29 'prerock':21 's':9C,19 'set':26,28 'steiner':17 'the':1A 'tim':16
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536776.0904646  (2021-05-09 07:06:16)
                             'size'  2197356