======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '147'
                                          'artist'  'Wilbert Harrison'
                                     'text_people'  'Jerry Leiber/Mike Stoller'
                                         'release'  "The Golden Age of American Rock 'n' Roll, Vol. 3"
                                           'title'  'Kansas City'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock n roll', 'blues', 'rhythm and blues', '50s', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-doowop'
                                             'bpm'  '116.053'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-011 POS 1'
'COMM:ID3v1 Comment:XXX'                            '59-011 POS 1'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x00E\x00+\x00B\x006\x00+\x003\x006\x001\x00C\x00+\x006\x001\x007\x00D\x00+\x009\x002\x008\x00B\x00+\x00B\x007\x000\x00E\x00+\x00E\x005\x00A\x006\x00+\x001\x001\x007\x00E\x007\x00+\x001\x004\x002\x008\x002\x00+\x001\x007\x005\x00E\x00A\x00+\x001\x00A\x005\x00A\x00B\x00+\x001\x00C\x00F\x00B\x001\x00+\x002\x000\x000\x004\x009\x00+\x002\x002\x006\x007\x00D\x00+\x002\x005\x000\x00A\x000\x00+\x002\x007\x00B\x00A\x007\x00+\x002\x00A\x004\x006\x003\x00+\x002\x00D\x000\x00F\x00F\x00+\x002\x00F\x00A\x006\x00C\x00+\x003\x001\x009\x00C\x00A\x00+\x003\x004\x00F\x004\x00B\x00+\x003\x007\x007\x000\x008\x00+\x003\x00A\x004\x000\x008\x00+\x003\x00C\x00C\x006\x00E\x00+\x003\x00F\x006\x00B\x000\x00+\x004\x002\x00B\x00C\x001\x00+\x004\x005\x000\x002\x00B\x00+\x004\x008\x00F\x002\x00B\x00+\x004\x00B\x007\x005\x003\x00+\x004\x00D\x00F\x005\x00F\x00+\x005\x000\x008\x00D\x009\x00+\x005\x003\x003\x002\x007\x00\x00\x00')
'PRIV:AverageLevel:¦\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xa6\x10\x00\x00')
'PRIV:PeakValue:Sp\x00\x00'                         PRIV(owner='PeakValue', data=b'Sp\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x003\x001\x000\x008\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x000\x005\x006\x000\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x003\x001\x000\x008\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x000\x005\x006\x000\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:þ>;£ ®lE\x9b7U\x120\x19^R'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xfe>;\xa3 \xaelE\x9b7U\x120\x19^R')
'PRIV:WM/WMCollectionID:þ>;£ ®lE\x9b7U\x120\x19^R'  PRIV(owner='WM/WMCollectionID', data=b'\xfe>;\xa3 \xaelE\x9b7U\x120\x19^R')
'PRIV:WM/WMContentID:8y\x08*»5ìA·\x1a&]\x94\x00\x83Ë'  PRIV(owner='WM/WMContentID', data=b'8y\x08*\xbb5\xecA\xb7\x1a&]\x94\x00\x83\xcb')
'TALB' (Album/Movie/Show title)                     "The Golden Age of American Rock 'n' Roll, Vol. 3"
'TBPM' (BPM (beats per minute))                     '116.053'
'TCOM' (Composer)                                   'Jerry Leiber/Mike Stoller'
'TCON' (Content type, a.k.a. Genre)                 'prerock-doowop'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Kansas City'
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '148066'
'TPE1' (Lead performer(s)/Soloist(s))               'Wilbert Harrison'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ace'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock n roll', 'blues', 'rhythm and blues', '50s', 'rockabilly']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.06 dB'
'TXXX:replaygain_track_peak'                        '0.437867'

========================== row from database ==========================
                                              'id'  1447148
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-011 - Wilbert Harrison - Kansas City.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  147
                                           'genre'  prerock-doowop
                                        'filesize'  5917117
                                           'mtime'  1621705422
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 011 prerock doowop
                                      'tag_artist'  Wilbert Harrison
                                     'tag_release'  The Golden Age of American Rock 'n' Roll, Vol. 3
                                       'tag_title'  Kansas City
                                             'bpm'  116.053
                                    'search_title'  'city':2 'kansas':1
                                   'search_artist'  'harrison':2 'wilbert':1
                                  'search_release'  '3':13 'age':3 'american':5 'golden':2 'n':7,8 'of':4 'rock':6 'roll':9,10 'the':1 'vol':11,12
                                     'search_rest'  '00oldiepop':5 '1959':6 '59':7 'country':4 'doowop':9 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':22 '1959':23 '3':17C '59':24 'age':7C 'american':9C 'city':2A 'country':21 'doowop':26 'exotica':19 'golden':6C 'harrison':4B 'jazz':18 'kansas':1A 'n':11C,12C 'of':8C 'oldies':20 'prerock':25 'rock':10C 'roll':13C,14C 'the':5C 'vol':15C,16C 'wilbert':3B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['rock n roll', 'blues', 'rhythm and blues', '50s', 'rockabilly']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705422.0038257  (2021-05-22 19:43:42)
                             'size'  5917117