======================== unified (from filesystem) ========================
                                         'bitrate'  '165.905'
                                        'duration'  '33'
                                          'artist'  'Howdy Doody Show'
                                     'text_people'  ''
                                         'release'  'Wavy Gravy'
                                           'title'  "It's Howdy Doody Time"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers'
                                             'bpm'  '89.7'
                                             'key'  '6A'
                                        '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))                     '89.7'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-commercials-trailers'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         "It's Howdy Doody Time"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Howdy Doody Show'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.566986'

========================== row from database ==========================
                                              'id'  1516466
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/VA - Wavy Gravy - For Adult Enthusiasts - Howdy Doody Show/01. Howdy Doody Show - It_s Howdy Doody Time.mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  33
                                           'genre'  nonmusic-commercials-trailers
                                        'filesize'  821055
                                           'mtime'  1620527717
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm VA For Adult Enthusiasts 01. It_s nonmusic commercials trailers
                                      'tag_artist'  Howdy Doody Show
                                     'tag_release'  Wavy Gravy
                                       'tag_title'  It's Howdy Doody Time
                                             'bpm'  89.7
                                    'search_title'  'doody':5 'howdy':4 'it':1 'its':3 's':2 'time':6
                                   'search_artist'  'doody':2 'howdy':1 'show':3
                                  'search_release'  'gravy':2 'wavy':1
                                     'search_rest'  '01':5,6 'adult':3 'commercials':10 'enthusiasts':4 'for':2 'it':7 'nonmusic':9 's':8 'trailers':11 'va':1
                                    'search_combo'  '01':16,17 'adult':14 'commercials':21 'doody':5A,8B 'enthusiasts':15 'for':13 'gravy':11C 'howdy':4A,7B 'it':1A,18 'its':3A 'nonmusic':20 's':2A,19 'show':9B 'time':6A 'trailers':22 'va':12 'wavy':10C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1962
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527716.559433  (2021-05-09 04:35:16)
                             'size'  821055