======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '119'
                                          'artist'  'The Coasters'
                                     'text_people'  'Jerry Leiber/Mike Stoller'
                                         'release'  'The Very Best of the Coasters'
                                           'title'  "I'm A Hog For You"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', '60s', 'soul', 'oldies', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rockabilly'
                                             'bpm'  '131.498'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-240 POS 38'
'COMM:ID3v1 Comment:XXX'                            '59-240 POS 38'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x000\x00+\x00B\x006\x00+\x003\x006\x00A\x003\x00+\x006\x007\x00B\x001\x00+\x00A\x001\x007\x00C\x00+\x00D\x002\x005\x000\x00+\x00F\x00C\x00C\x008\x00+\x001\x002\x006\x004\x009\x00+\x001\x004\x007\x006\x007\x00+\x001\x007\x000\x00E\x008\x00+\x001\x00A\x005\x007\x009\x00+\x001\x00D\x000\x001\x00A\x00+\x001\x00F\x003\x004\x007\x00+\x002\x002\x003\x007\x001\x00+\x002\x005\x004\x001\x00F\x00+\x002\x008\x008\x00D\x006\x00+\x002\x00B\x00B\x00B\x000\x00+\x002\x00F\x000\x001\x00C\x00\x00\x00')
'PRIV:AverageLevel:Û\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xdb\x12\x00\x00')
'PRIV:PeakValue:Vn\x00\x00'                         PRIV(owner='PeakValue', data=b'Vn\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 \x001\x009\x008\x009\x007\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x009\x002\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x005\x005\x005\x009\x002\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x009\x008\x009\x007\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x003\x009\x002\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x005\x005\x005\x009\x002\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ù¯g¡\x8dV\x00L¸¾·#9Þ«\x8b'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf9\xafg\xa1\x8dV\x00L\xb8\xbe\xb7#9\xde\xab\x8b')
'PRIV:WM/WMCollectionID:ù¯g¡\x8dV\x00L¸¾·#9Þ«\x8b'  PRIV(owner='WM/WMCollectionID', data=b'\xf9\xafg\xa1\x8dV\x00L\xb8\xbe\xb7#9\xde\xab\x8b')
'PRIV:WM/WMContentID:\x82Ê\x1c̬>jD\x82ã{;Öµ\x04©'  PRIV(owner='WM/WMContentID', data=b'\x82\xca\x1c\xcc\xac>jD\x82\xe3{;\xd6\xb5\x04\xa9')
'TALB' (Album/Movie/Show title)                     'The Very Best of the Coasters'
'TBPM' (BPM (beats per minute))                     '131.498'
'TCOM' (Composer)                                   'Jerry Leiber/Mike Stoller'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rockabilly'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "I'm A Hog For You"
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '120066'
'TPE1' (Lead performer(s)/Soloist(s))               'Coasters'
'TPE2' (Band/orchestra/accompaniment)               'The Coasters'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', '60s', 'soul', 'oldies', 'rockabilly']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'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'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.508853'

========================== row from database ==========================
                                              'id'  1498720
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-240 - Coasters - I_m A Hog For You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  119
                                           'genre'  rock-pop-early-rockabilly
                                        'filesize'  4800384
                                           'mtime'  1622659482
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 240 I_m rock pop early rockabilly
                                      'tag_artist'  The Coasters
                                     'tag_release'  The Very Best of the Coasters
                                       'tag_title'  I'm A Hog For You
                                             'bpm'  131.498
                                    'search_title'  'a':4 'for':6 'hog':5 'i':1 'im':3 'm':2 'you':7
                                   'search_artist'  'coasters':2 'the':1
                                  'search_release'  'best':3 'coasters':5 'of':4 'the':1 'very':2
                                     'search_rest'  '00oldiepop':5 '1959':6 '240':8 '59':7 'country':4 'early':13 'exotica':2 'i':9 'jazz':1 'm':10 'oldies':3 'pop':12 'rock':11 'rockabilly':14
                                    'search_combo'  '00oldiepop':19 '1959':20 '240':22 '59':21 'a':4A 'best':12C 'coasters':9B,14C 'country':18 'early':27 'exotica':16 'for':6A 'hog':5A 'i':1A,23 'im':3A 'jazz':15 'm':2A,24 'of':13C 'oldies':17 'pop':26 'rock':25 'rockabilly':28 'the':8B,10C 'very':11C 'you':7A
                                    'tag_tracknum'  11
                                      '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-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', '60s', 'soul', 'oldies', 'rockabilly']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659482.3755624  (2021-06-02 20:44:42)
                             'size'  4800384