======================== unified (from filesystem) ========================
                                         'bitrate'  '165.101'
                                        'duration'  '147'
                                          'artist'  'The Olympics'
                                     'text_people'  'Dewey Terry/Don "Sugarcane" Harris'
                                         'release'  'California Sock Hop'
                                           'title'  'Big Boy Pete'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'all', 'soul', 'northern soul', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '130.230'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000048E 0000048E 00001E6B'
'COMM:iTunNORM:eng'                                 (' 0000048E 0000048E 00001E6B 00001E6A 0001B774 0001B774 00008000 00008000 '
 '00005DE0 00005DE0')
'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 \x001\x004\x004\x006\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x000\x006\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x007\x008\x007\x003\x009\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x004\x004\x006\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x000\x006\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x007\x008\x007\x003\x009\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x8aBP\tÙKõM¼P¶ªõvå\t'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x8aBP\t\xd9K\xf5M\xbcP\xb6\xaa\xf5v\xe5\t')
'PRIV:WM/WMCollectionID:\x8aBP\tÙKõM¼P¶ªõvå\t'      PRIV(owner='WM/WMCollectionID', data=b'\x8aBP\t\xd9K\xf5M\xbcP\xb6\xaa\xf5v\xe5\t')
'PRIV:WM/WMContentID:\x1fqT¡À\x1epI\x88åNy0ûNQ'     PRIV(owner='WM/WMContentID', data=b'\x1fqT\xa1\xc0\x1epI\x88\xe5Ny0\xfbNQ')
'TALB' (Album/Movie/Show title)                     'California Sock Hop'
'TBPM' (BPM (beats per minute))                     '130.230'
'TCOM' (Composer)                                   'Dewey Terry/Don "Sugarcane" Harris'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TCOP' (Copyright message)                          'Essential Media Group, LLC 2007'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Big Boy Pete'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Olympics'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'DCC'
'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'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'all', 'soul', 'northern soul', '7soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.43 dB'
'TXXX:replaygain_track_peak'                        '0.594933'

========================== row from database ==========================
                                              'id'  1283279
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 - big boy pete.mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  147
                                           'genre'  funk or soul
                                        'filesize'  3103578
                                           'mtime'  1628357938
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 big boy pete funk soul
                                      'tag_artist'  The Olympics
                                     'tag_release'  California Sock Hop
                                       'tag_title'  Big Boy Pete
                                             'bpm'  130.23
                                    'search_title'  'big':1 'boy':2 'pete':3
                                   'search_artist'  'olympics':2 'the':1
                                  'search_release'  'california':1 'hop':3 'sock':2
                                     'search_rest'  '00poprockelectronic':1 'big':7 'boy':8 'files':5,6 'funk':10 'loose':3,4 'pete':9 'soul':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 'big':1A,15 'boy':2A,16 'california':6C 'files':13,14 'funk':18 'hop':8C 'loose':11,12 'olympics':5B 'pete':3A,17 'sock':7C 'soul':19 'the':4B 'unsorted':10
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'all', 'soul', 'northern soul', '7soul']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357937.7202241  (2021-08-07 19:38:57)
                             'size'  3103578