======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '155'
                                          'artist'  'Teresa Brewer'
                                     'text_people'  'Hal David/Leon Carr'
                                         'release'  'Music! Music! Music!: The Best of Teresa Brewer'
                                           'title'  'Bell Bottom Blues'
                                           'quals'  ("['Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', 'jazz', 'female vocalists', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '131.413'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '54-119 POS 17'
'COMM:ID3v1 Comment:XXX'                            '54-119 POS 17'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x003\x00B\x002\x004\x00+\x006\x009\x00E\x001\x00+\x009\x00E\x009\x00D\x00+\x00C\x00D\x00F\x00C\x00+\x001\x000\x005\x002\x004\x00+\x001\x003\x002\x00D\x001\x00+\x001\x005\x009\x008\x00E\x00+\x001\x008\x005\x00C\x004\x00+\x001\x00B\x005\x00D\x007\x00+\x001\x00E\x003\x008\x009\x00+\x002\x000\x006\x00D\x00E\x00+\x002\x003\x004\x009\x004\x00+\x002\x005\x00E\x004\x00C\x00+\x002\x009\x001\x00F\x00A\x00+\x002\x00B\x00A\x004\x00F\x00+\x002\x00E\x00C\x002\x00F\x00+\x003\x002\x000\x00F\x00A\x00+\x003\x004\x00A\x003\x000\x00\x00\x00')
'PRIV:AverageLevel:\x91\x11\x00\x00'                PRIV(owner='AverageLevel', data=b'\x91\x11\x00\x00')
'PRIV:PeakValue:|g\x00\x00'                         PRIV(owner='PeakValue', data=b'|g\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\x002\x001\x007\x005\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x000\x008\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x001\x003\x004\x005\x008\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x002\x001\x007\x005\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x000\x008\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x001\x003\x004\x005\x008\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x1b\x90üôy3ÛD¨GD\x93ô\x8f¥E'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x1b\x90\xfc\xf4y3\xdbD\xa8GD\x93\xf4\x8f\xa5E')
'PRIV:WM/WMCollectionID:\x1b\x90üôy3ÛD¨GD\x93ô\x8f¥E'  PRIV(owner='WM/WMCollectionID', data=b'\x1b\x90\xfc\xf4y3\xdbD\xa8GD\x93\xf4\x8f\xa5E')
'PRIV:WM/WMContentID:C\x8cl\x94Ú£kA¬ºS\x9b\x84u`ä'  PRIV(owner='WM/WMContentID', data=b'C\x8cl\x94\xda\xa3kA\xac\xbaS\x9b\x84u`\xe4')
'TALB' (Album/Movie/Show title)                     'Music! Music! Music!: The Best of Teresa Brewer'
'TBPM' (BPM (beats per minute))                     '131.413'
'TCOM' (Composer)                                   'Hal David/Leon Carr'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         'Bell Bottom Blues'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '155906'
'TPE1' (Lead performer(s)/Soloist(s))               'Teresa Brewer'
'TPE2' (Band/orchestra/accompaniment)               'Teresa Brewer'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.82 dB'
'TXXX:replaygain_track_peak'                        '0.345123'

========================== row from database ==========================
                                              'id'  1442898
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1954/54-119 -Teresa Brewer - Bell Bottom Blues.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  155
                                           'genre'  prerock-vocal
                                        'filesize'  6234944
                                           'mtime'  1620385758
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1954 54 119 prerock vocal
                                      'tag_artist'  Teresa Brewer
                                     'tag_release'  Music! Music! Music!: The Best of Teresa Brewer
                                       'tag_title'  Bell Bottom Blues
                                             'bpm'  131.413
                                    'search_title'  'bell':1 'blues':3 'bottom':2
                                   'search_artist'  'brewer':2 'teresa':1
                                  'search_release'  'best':4 'brewer':7 'music':1,2 'of':5 'teresa':6 'the':3
                                     'search_rest'  '00oldiepop':5 '119':8 '1954':6 '54':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':17 '119':20 '1954':18 '54':19 'bell':1A 'best':9C 'blues':3A 'bottom':2A 'brewer':5B,12C 'country':16 'exotica':14 'jazz':13 'music':6C,7C 'of':10C 'oldies':15 'prerock':21 'teresa':4B,11C 'the':8C 'vocal':22
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['pop', 'jazz', 'female vocalists', '50s', 'oldies']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385758.4712143  (2021-05-07 13:09:18)
                             'size'  6234944