======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '139'
                                          'artist'  'The Kingston Trio'
                                     'text_people'  'B Loughborough/David Wheat'
                                         'release'  'Capitol Collectors Series'
                                           'title'  'Coo Coo-U'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'country', '60s', 'folk', 'acoustic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-country'
                                             'bpm'  '133.491'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-563 POS 98'
'COMM:ID3v1 Comment:XXX'                            '59-563 POS 98'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x00B\x006\x00+\x002\x009\x009\x000\x00+\x005\x00F\x00C\x005\x00+\x008\x005\x003\x001\x00+\x00B\x007\x004\x003\x00+\x00F\x000\x00D\x00C\x00+\x001\x002\x00D\x009\x00A\x00+\x001\x005\x006\x007\x006\x00+\x001\x008\x001\x00A\x00F\x00+\x001\x00B\x000\x005\x005\x00+\x001\x00D\x009\x00E\x00D\x00+\x002\x000\x00F\x00E\x00B\x00+\x002\x003\x00D\x001\x00B\x00+\x002\x006\x00F\x00D\x001\x00+\x002\x00A\x004\x004\x00C\x00+\x002\x00D\x006\x00A\x006\x00+\x003\x001\x000\x001\x005\x00+\x003\x004\x001\x00B\x001\x00+\x003\x006\x006\x00A\x00F\x00+\x003\x009\x009\x007\x004\x00+\x003\x00C\x00C\x002\x008\x00\x00\x00')
'PRIV:AverageLevel:\x8c\t\x00\x00'                  PRIV(owner='AverageLevel', data=b'\x8c\t\x00\x00')
'PRIV:PeakValue:\rX\x00\x00'                        PRIV(owner='PeakValue', data=b'\rX\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 \x00 \x009\x006\x005\x003\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x000\x003\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x001\x009\x009\x003\x002\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x009\x006\x005\x003\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x000\x003\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x001\x009\x009\x003\x002\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:´&CÅ\x94±]A\x95}\x0fT¯\x05J-'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb4&C\xc5\x94\xb1]A\x95}\x0fT\xaf\x05J-')
'PRIV:WM/WMCollectionID:´&CÅ\x94±]A\x95}\x0fT¯\x05J-'  PRIV(owner='WM/WMCollectionID', data=b'\xb4&C\xc5\x94\xb1]A\x95}\x0fT\xaf\x05J-')
'PRIV:WM/WMContentID:\x95}ä-\x9c\x86sM\x94èz¨\xa0#D8'  PRIV(owner='WM/WMContentID', data=b'\x95}\xe4-\x9c\x86sM\x94\xe8z\xa8\xa0#D8')
'TALB' (Album/Movie/Show title)                     'Capitol Collectors Series'
'TBPM' (BPM (beats per minute))                     '133.491'
'TCOM' (Composer)                                   'B Loughborough/David Wheat'
'TCON' (Content type, a.k.a. Genre)                 'prerock-country'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Coo Coo-U'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '139466'
'TPE1' (Lead performer(s)/Soloist(s))               'Kingston Trio'
'TPE2' (Band/orchestra/accompaniment)               'The Kingston Trio'
'TPUB' (Publisher)                                  'Alliance'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'country', '60s', 'folk', 'acoustic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.695154'

========================== row from database ==========================
                                              'id'  1447790
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-563 - Kingston Trio - Coo Coo-U.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  139
                                           'genre'  prerock-country
                                        'filesize'  5577224
                                           'mtime'  1621627916
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 563 prerock country
                                      'tag_artist'  The Kingston Trio
                                     'tag_release'  Capitol Collectors Series
                                       'tag_title'  Coo Coo-U
                                             'bpm'  133.491
                                    'search_title'  'coo':1,2 'coou':4 'u':3
                                   'search_artist'  'kingston':2 'the':1 'trio':3
                                  'search_release'  'capitol':1 'collectors':2 'series':3
                                     'search_rest'  '00oldiepop':5 '1959':6 '563':8 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':15 '1959':16 '563':18 '59':17 'capitol':8C 'collectors':9C 'coo':1A,2A 'coou':4A 'country':14 'exotica':12 'jazz':11 'kingston':6B 'oldies':13 'prerock':19 'series':10C 'the':5B 'trio':7B 'u':3A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'country', '60s', 'folk', 'acoustic']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627915.8001952  (2021-05-21 22:11:55)
                             'size'  5577224