======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '146'
                                          'artist'  'Bobby Bland'
                                     'text_people'  ''
                                         'release'  ('Slow Grind Fever Vol. 1 - More Adventures In The Sleazy World Of Popcorn '
 'Noir (2014)')
                                           'title'  'St. James Infirmary'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '16'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-early'
                                             'bpm'  '142.910'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Easy CD-DA Extractor'                         POPM(email='Easy CD-DA Extractor', rating=255, count=0)
'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))                     '142.910'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'St. James Infirmary'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Bland'
'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:lastfmtags'                                   ['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.480183'

========================== row from database ==========================
                                              'id'  947962
                                            '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 st. james infirmary.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  146
                                           'genre'  rock-pop-early
                                        'filesize'  3660783
                                           'mtime'  1620736645
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country va 08 st. james infirmary rock pop early
                                      'tag_artist'  Bobby Bland
                                     'tag_release'  Slow Grind Fever Vol. 1 - More Adventures In The Sleazy World Of Popcorn Noir (2014)
                                       'tag_title'  St. James Infirmary
                                             'bpm'  142.91
                                    'search_title'  'infirmary':4 'james':3 'st':1,2
                                   'search_artist'  'bland':2 'bobby':1
                                  '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'  'country':4 'early':12 'exotica':2 'infirmary':9 'james':8 'jazz':1 'oldies':3 'pop':11 'rock':10 'st':6,7 'va':5
                                    'search_combo'  '1':12C '2014':22C,23C 'adventures':14C 'bland':6B 'bobby':5B 'country':27 'early':35 'exotica':25 'fever':9C 'grind':8C 'in':15C 'infirmary':4A,32 'james':3A,31 'jazz':24 'more':13C 'noir':21C 'of':19C 'oldies':26 'pop':34 'popcorn':20C 'rock':33 'sleazy':17C 'slow':7C 'st':1A,2A,29,30 'the':16C 'va':28 'vol':10C,11C 'world':18C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736645.0409863  (2021-05-11 14:37:25)
                             'size'  3660783