======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '191'
                                          'artist'  'Paul Specht & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Sentimental Journey 103'
                                           'title'  'The Grass Grows Greener'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', "
 "'q-grit-1', 'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'dead', '30s', 'dance bands', 'twenties']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  '25'
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '103.3'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sentimental Journey 103'
'TBPM' (BPM (beats per minute))                     '103.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'Sargasso For A.B.S.1940S.Mp3'
'TIT2' (Title/songname/content description)         'The Grass Grows Greener'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Specht & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '24/25'
'TSSE' (Software/Hardware and settings used for encoding)  'SuperTagEditor Ver 2.00ƒÀ7‰ü'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'dead', '30s', 'dance bands', 'twenties']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.84 dB'
'TXXX:replaygain_track_peak'                        '0.475480'

========================== row from database ==========================
                                              'id'  975471
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/sentimental journey cd103 [80k vbr]/24 - The Grass Grows Greener - Paul Specht & His Orchestra.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  191
                                           'genre'  prerock-swing
                                        'filesize'  1921867
                                           'mtime'  1620562711
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm sentimental journey cd103 [80k vbr] 24 prerock swing
                                      'tag_artist'  Paul Specht & His Orchestra
                                     'tag_release'  Sentimental Journey 103
                                       'tag_title'  The Grass Grows Greener
                                             'bpm'  103.3
                                    'search_title'  'grass':2 'greener':4 'grows':3 'the':1
                                   'search_artist'  'his':3 'orchestra':4 'paul':1 'specht':2
                                  'search_release'  '103':3 'journey':2 'sentimental':1
                                     'search_rest'  '24':8 '80k':4,5 'cd103':3 'journey':2 'prerock':9 'sentimental':1 'swing':10 'vbr':6,7
                                    'search_combo'  '103':11C '24':19 '80k':15,16 'cd103':14 'grass':2A 'greener':4A 'grows':3A 'his':7B 'journey':10C,13 'orchestra':8B 'paul':5B 'prerock':20 'sentimental':9C,12 'specht':6B 'swing':21 'the':1A 'vbr':17,18
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'dead', '30s', 'dance bands', 'twenties']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562710.66079  (2021-05-09 14:18:30)
                             'size'  1921867