======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '155'
                                          'artist'  'George Hannah And Meade Lux Lewis'
                                     'text_people'  ''
                                         'release'  'Sissy Man Blues (1927-1936)'
                                           'title'  'The Boy In The Boat'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1930'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '121.409'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sissy Man Blues (1927-1936)'
'TBPM' (BPM (beats per minute))                     '121.409'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1930'
'TIT2' (Title/songname/content description)         'The Boy In The Boat'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'George Hannah And Meade Lux Lewis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.92'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.600848'

========================== row from database ==========================
                                              'id'  670465
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/v.a. - sissy man blues ( 1927-1936 )/05 - George Hannah And Meade Lux Lewis - The Boy In The Boat.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  155
                                           'genre'  prerock-jb-blues
                                        'filesize'  3834739
                                           'mtime'  1620402845
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country v.a. sissy man blues 05 prerock jb blues
                                      'tag_artist'  George Hannah And Meade Lux Lewis
                                     'tag_release'  Sissy Man Blues (1927-1936)
                                       'tag_title'  The Boy In The Boat
                                             'bpm'  121.409
                                    'search_title'  'boat':4 'boy':2 'in':3 'the':1
                                   'search_artist'  'and':3 'george':1 'hannah':2 'lewis':6 'lux':5 'meade':4
                                  'search_release'  '1927':4 '19271936':6 '1936':5 'blues':3 'man':2 'sissy':1
                                     'search_rest'  'a':6 'blues':10 'country':4 'exotica':2 'jazz':1 'jb':12 'man':9 'oldies':3 'prerock':11 'sissy':8 'v':5 'va':7
                                    'search_combo'  '1927':14C '19271936':16C '1936':15C 'a':22 'and':7B 'blues':13C,26 'boat':4A 'boy':2A 'country':20 'exotica':18 'george':5B 'hannah':6B 'in':3A 'jazz':17 'jb':28 'lewis':10B 'lux':9B 'man':12C,25 'meade':8B 'oldies':19 'prerock':27 'sissy':11C,24 'the':1A 'v':21 'va':23
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1930
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402844.9214907  (2021-05-07 17:54:04)
                             'size'  3834739