======================== unified (from filesystem) ========================
                                         'bitrate'  '97.408'
                                        'duration'  '138'
                                          'artist'  'The Playboys'
                                     'text_people'  ''
                                         'release'  'Las Vegas Grind, Volume 4'
                                           'title'  'Whatizit?'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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']")
                                      'lastfmtags'  "['surf', 'rockabilly', 'all', 'rock', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '20'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '130'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Las Vegas Grind, Volume 4'
'TBPM' (BPM (beats per minute))                     '130'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Whatizit?'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Playboys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Crypt Records'
'TRCK' (Track number/Position in set)               '15/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Playboys, The'
'TXXX:Artists'                                      'The Playboys'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'e4c32094-c7a4-46c3-8be9-3bcc9abb8fc6'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'bef7760d-c697-4d33-b8dc-a230f7af8bad'
'TXXX:MusicBrainz Release Group Id'                 '6c67868f-b979-4ce6-b61e-92d653382c85'
'TXXX:MusicBrainz Release Track Id'                 'd7743997-3ab0-3aee-961d-892d7ded0e21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['surf', 'rockabilly', 'all', 'rock', 'oldies']
'TXXX:originalyear'                                 '1992'
'TXXX:q-bass'                                       '4'
'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'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.478615'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6af7eed0-4fc1-44ca-8fde-164241dbb2b3')

========================== row from database ==========================
                                              'id'  1347162
                                            'path'  /data/Music/Bulk/00poprockelectronic/las vegas grinds/4/15 What Iz It.mp3
                                         'working'  None
                                         'bitrate'  97
                                    'duration_sec'  138
                                           'genre'  rock-pop-surf
                                        'filesize'  1733114
                                           'mtime'  1620737365
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic las vegas grinds 15 Iz It rock pop surf
                                      'tag_artist'  The Playboys
                                     'tag_release'  Las Vegas Grind, Volume 4
                                       'tag_title'  Whatizit?
                                             'bpm'  130.0
                                    'search_title'  'whatizit':1
                                   'search_artist'  'playboys':2 'the':1
                                  'search_release'  '4':6 'grind':3,4 'las':1 'vegas':2 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'grinds':4 'it':6 'iz':5 'las':2 'pop':8 'rock':7 'surf':9 'vegas':3
                                    'search_combo'  '00poprockelectronic':10 '4':9C 'grind':6C,7C 'grinds':13 'it':15 'iz':14 'las':4C,11 'playboys':3B 'pop':17 'rock':16 'surf':18 'the':2B 'vegas':5C,12 'volume':8C 'whatizit':1A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'rockabilly', 'all', 'rock', 'oldies']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737365.2998884  (2021-05-11 14:49:25)
                             'size'  1733114