======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '268'
                                          'artist'  'Wang Chung'
                                     'text_people'  'Nick Feldman'
                                         'release'  'progsoup 47'
                                           'title'  'Swing'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'new wave', 'pop rock', 'british', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;electronic-we-new wave or post punk'
                                             'bpm'  '118.984'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x00B\x006\x00+\x004\x006\x008\x004\x00+\x009\x000\x004\x009\x00+\x00E\x007\x00C\x004\x00+\x001\x003\x006\x009\x00D\x00+\x001\x008\x00B\x00B\x004\x00+\x001\x00E\x001\x00A\x00B\x00+\x002\x004\x001\x006\x00C\x00+\x002\x009\x004\x002\x000\x00+\x002\x00D\x00B\x00A\x006\x00+\x003\x002\x008\x002\x007\x00+\x003\x009\x005\x004\x006\x00\x00\x00')
'PRIV:AverageLevel:{\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1b\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\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 \x002\x001\x004\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x008\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x001\x003\x003\x001\x008\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x002\x001\x004\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x008\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x001\x003\x003\x001\x008\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:`Òp\nQäwD\x97.ÿ\x80\xad\x94ýÔ'  PRIV(owner='WM/WMCollectionGroupID', data=b'`\xd2p\nQ\xe4wD\x97.\xff\x80\xad\x94\xfd\xd4')
'PRIV:WM/WMCollectionID:`Òp\nQäwD\x97.ÿ\x80\xad\x94ýÔ'  PRIV(owner='WM/WMCollectionID', data=b'`\xd2p\nQ\xe4wD\x97.\xff\x80\xad\x94\xfd\xd4')
'PRIV:WM/WMContentID:Ü(S\x7f\x94d\x16C·\x89C0íÓ.\x97'  PRIV(owner='WM/WMContentID', data=b'\xdc(S\x7f\x94d\x16C\xb7\x89C0\xed\xd3.\x97')
'TALB' (Album/Movie/Show title)                     'progsoup 47'
'TBPM' (BPM (beats per minute))                     '118.984'
'TCOM' (Composer)                                   'Nick Feldman'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Swing'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '269133'
'TPE1' (Lead performer(s)/Soloist(s))               'Wang Chung'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'David Geffen Co.'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'pop rock', 'british', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.737618'

========================== row from database ==========================
                                              'id'  1416867
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 47/2671 Wang Chung - Swing.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  268
                                           'genre'  rock-cppex-progressive;electronic-we-new wave or post punk
                                        'filesize'  6469222
                                           'mtime'  1620737478
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2671 rock cppex progressive;electronic we new wave or post punk
                                      'tag_artist'  Wang Chung
                                     'tag_release'  progsoup 47
                                       'tag_title'  Swing
                                             'bpm'  118.984
                                    'search_title'  'swing':1
                                   'search_artist'  'chung':2 'wang':1
                                  'search_release'  '47':2 'progsoup':1
                                     'search_rest'  '2671':3 'classicprogpsy':1 'cppex':5 'electronic':7,9 'new':11 'or':13 'post':14 'progressive':6,8 'progsoup':2 'punk':15 'rock':4 'wave':12 'we':10
                                    'search_combo'  '2671':8 '47':5C 'chung':3B 'classicprogpsy':6 'cppex':10 'electronic':12,14 'new':16 'or':18 'post':19 'progressive':11,13 'progsoup':4C,7 'punk':20 'rock':9 'swing':1A 'wang':2B 'wave':17 'we':15
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'pop rock', 'british', 'pop']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737478.4119666  (2021-05-11 14:51:18)
                             'size'  6469222