======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '131'
                                          'artist'  'Dick Dixon & The Room Mates'
                                     'text_people'  ''
                                         'release'  ('Slow Grind Fever Vol. 1 - More Adventures In The Sleazy World Of Popcorn '
 'Noir (2014)')
                                           'title'  'The Caterpillar Crawl'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock & roll', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '16'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '109.290'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     ('Slow Grind Fever Vol. 1 - More Adventures In The Sleazy World Of Popcorn '
 'Noir (2014)')
'TBPM' (BPM (beats per minute))                     '109.290'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'The Caterpillar Crawl'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Dixon & The Room Mates'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8/16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock & roll', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.587908'

========================== row from database ==========================
                                              'id'  947673
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/va - Slow Grind Fever Vol. 1 - More Adventures In The Sleazy World Of Popcorn Noir (2014)/08 the caterpillar crawl.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  131
                                           'genre'  rock-pop-early
                                        'filesize'  3290875
                                           'mtime'  1620736645
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va 08 the caterpillar crawl rock pop early
                                      'tag_artist'  Dick Dixon & The Room Mates
                                     'tag_release'  Slow Grind Fever Vol. 1 - More Adventures In The Sleazy World Of Popcorn Noir (2014)
                                       'tag_title'  The Caterpillar Crawl
                                             'bpm'  109.29
                                    'search_title'  'caterpillar':2 'crawl':3 'the':1
                                   'search_artist'  'dick':1 'dixon':2 'mates':5 'room':4 'the':3
                                  'search_release'  '1':6 '2014':16,17 'adventures':8 'fever':3 'grind':2 'in':9 'more':7 'noir':15 'of':13 'popcorn':14 'sleazy':11 'slow':1 'the':10 'vol':4,5 'world':12
                                     'search_rest'  'caterpillar':7 'country':4 'crawl':8 'early':11 'exotica':2 'jazz':1 'oldies':3 'pop':10 'rock':9 'the':6 'va':5
                                    'search_combo'  '1':14C '2014':24C,25C 'adventures':16C 'caterpillar':2A,32 'country':29 'crawl':3A,33 'dick':4B 'dixon':5B 'early':36 'exotica':27 'fever':11C 'grind':10C 'in':17C 'jazz':26 'mates':8B 'more':15C 'noir':23C 'of':21C 'oldies':28 'pop':35 'popcorn':22C 'rock':34 'room':7B 'sleazy':19C 'slow':9C 'the':1A,6B,18C,31 'va':30 'vol':12C,13C 'world':20C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  ['rock & roll', 'rock']

============================== file details ==============================
                                           'mtime'  1620736645.22628  (2021-05-11 14:37:25)
                             'size'  3290875