======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '227'
                                          'artist'  'Black Mountain'
                                     'text_people'  ''
                                         'release'  'Black Mountain'
                                           'title'  'Druganaut'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  ("['psychedelic rock', 'rock', 'psychedelic', 'indie rock', 'indie', 'stoner "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '86.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x003\x000\x00D\x004\x00+\x009\x00B\x007\x000\x00+\x00D\x00E\x003\x002\x00+\x001\x002\x000\x00F\x007\x00+\x001\x009\x007\x00A\x009\x00+\x002\x000\x00E\x008\x00A\x00+\x002\x009\x00B\x000\x00F\x00+\x003\x003\x002\x006\x00B\x00\x00\x00')
'PRIV:AverageLevel:{\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x18\x00\x00')
'PRIV:PeakValue:!}\x00\x00'                         PRIV(owner='PeakValue', data=b'!}\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 \x007\x002\x000\x003\x005\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x008\x002\x006\x000\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x003\x003\x000\x008\x006\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x002\x000\x003\x005\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x008\x002\x006\x000\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x003\x003\x000\x008\x006\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ö+Î>%\x11¥B\x9aµ¼\x00\x01>g´'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf6+\xce>%\x11\xa5B\x9a\xb5\xbc\x00\x01>g\xb4')
'PRIV:WM/WMCollectionID:ö+Î>%\x11¥B\x9aµ¼\x00\x01>g´'  PRIV(owner='WM/WMCollectionID', data=b'\xf6+\xce>%\x11\xa5B\x9a\xb5\xbc\x00\x01>g\xb4')
'PRIV:WM/WMContentID:8;u\x9a-\x14®E\x8e»\x05&\x98ã\x95W'  PRIV(owner='WM/WMContentID', data=b'8;u\x9a-\x14\xaeE\x8e\xbb\x05&\x98\xe3\x95W')
'TALB' (Album/Movie/Show title)                     'Black Mountain'
'TBPM' (BPM (beats per minute))                     '86.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-08-29'
'TIT2' (Title/songname/content description)         'Druganaut'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '227866'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Mountain'
'TPE2' (Band/orchestra/accompaniment)               'Black Mountain'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'City Slang'
'TRCK' (Track number/Position in set)               '3/8'
'TSO2'                                              'Black Mountain'
'TSOP' (Performer sort order)                       'Black Mountain'
'TXXX:ASIN'                                         'B000A1OFUK'
'TXXX:Artists'                                      'Black Mountain'
'TXXX:BARCODE'                                      '5033197339320'
'TXXX:CATALOGNUMBER'                                'SLANG 1033932'
'TXXX:MusicBrainz Album Artist Id'                  '4898b9ad-f564-4ff1-9046-b1a16dfd5200'
'TXXX:MusicBrainz Album Id'                         '45a35c03-ee68-3ac1-b81c-83804ed0abe5'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4898b9ad-f564-4ff1-9046-b1a16dfd5200'
'TXXX:MusicBrainz Release Group Id'                 '0035e81f-3d7b-3334-a4b1-f3e9949cdd15'
'TXXX:MusicBrainz Release Track Id'                 '9aa10d43-6695-394f-8084-8a654389846a'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['psychedelic rock',
 'rock',
 'psychedelic',
 'indie rock',
 'indie',
 'stoner rock']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.505255'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'45ed37ea-5425-42f8-a971-621e735b6c65')

========================== row from database ==========================
                                              'id'  1485477
                                            'path'  /data/Music/Bulk/00poprockelectronic/Black Mountain/Black Mountain - 03 - Druganaut.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  227
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  9186359
                                           'mtime'  1620737400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 rock cppex psychedelic
                                      'tag_artist'  Black Mountain
                                     'tag_release'  Black Mountain
                                       'tag_title'  Druganaut
                                             'bpm'  86.3
                                    'search_title'  'druganaut':1
                                   'search_artist'  'black':1 'mountain':2
                                  'search_release'  'black':1 'mountain':2
                                     'search_rest'  '00poprockelectronic':1 'cppex':3 'psychedelic':4 'rock':2
                                    'search_combo'  '00poprockelectronic':6 'black':2B,4C 'cppex':8 'druganaut':1A 'mountain':3B,5C 'psychedelic':9 'rock':7
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-4', 'Q-PLAY-3', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'q-bass-4']
                                      'lastfmtags'  ['psychedelic rock', 'rock', 'psychedelic', 'indie rock', 'indie', 'stoner rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737400.480952  (2021-05-11 14:50:00)
                             'size'  9186359