======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '161'
                                          'artist'  'Hambone Hunter'
                                     'text_people'  ''
                                         'release'  'Wavy Gravy'
                                           'title'  'Bacon Fat'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rhythm n blues', 'rhythm and blues', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '126.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Wavy Gravy'
'TBPM' (BPM (beats per minute))                     '126.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Bacon Fat'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hambone Hunter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rhythm n blues', 'rhythm and blues', 'oldies']
'TXXX:q-bass'                                       '1'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.490186'

========================== row from database ==========================
                                              'id'  947663
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VA - Wavy Gravy - For Adult Enthusiasts - Howdy Doody Show/05. Hambone Hunter - Bacon Fat.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  161
                                           'genre'  electronic-unsorted
                                        'filesize'  5296481
                                           'mtime'  1637933138
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VA For Adult Enthusiasts Howdy Doody Show 05. electronic unsorted
                                      'tag_artist'  Hambone Hunter
                                     'tag_release'  Wavy Gravy
                                       'tag_title'  Bacon Fat
                                             'bpm'  126.8
                                    'search_title'  'bacon':1 'fat':2
                                   'search_artist'  'hambone':1 'hunter':2
                                  'search_release'  'gravy':2 'wavy':1
                                     'search_rest'  '05':8,9 'adult':3 'doody':6 'electronic':10 'enthusiasts':4 'for':2 'howdy':5 'show':7 'unsorted':11 'va':1
                                    'search_combo'  '05':14,15 'adult':9 'bacon':1A 'doody':12 'electronic':16 'enthusiasts':10 'fat':2A 'for':8 'gravy':6C 'hambone':3B 'howdy':11 'hunter':4B 'show':13 'unsorted':17 'va':7 'wavy':5C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rhythm n blues', 'rhythm and blues', 'oldies']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933138.100163  (2021-11-26 14:25:38)
                             'size'  5296481