======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '199'
                                          'artist'  'Motörhead'
                                     'text_people'  'Motörhead'
                                         'release'  'Stone Deaf Forever!'
                                           'title'  'Over Your Shoulder'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['speed metal', 'hard rock', 'metal', 'rock', 'heavy metal']"
                                     'discogstags'  "['rock', 'heavy metal', 'hard rock', 'punk', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '19'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-hard'
                                             'bpm'  '141'
                                             'key'  '12A'
                                        'acoustid'  'b5f39139-be76-47dd-926c-9f515131a1a4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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 \x006\x005\x009\x008\x000\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x009\x006\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x005\x008\x000\x002\x006\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x005\x009\x008\x000\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x009\x006\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x005\x008\x000\x002\x006\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x7fq\x96NN!jH¹Ã½\x9f\x80\x05\\ö'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x7fq\x96NN!jH\xb9\xc3\xbd\x9f\x80\x05\\\xf6')
'PRIV:WM/WMCollectionID:µ\x89?º#>£I\x86îù\x035\x0flR'  PRIV(owner='WM/WMCollectionID', data=b'\xb5\x89?\xba#>\xa3I\x86\xee\xf9\x035\x0flR')
'PRIV:WM/WMContentID:þ0üõ0\x9d]G©M,ka«>6'           PRIV(owner='WM/WMContentID', data=b'\xfe0\xfc\xf50\x9d]G\xa9M,ka\xab>6')
'TALB' (Album/Movie/Show title)                     'Stone Deaf Forever!'
'TBPM' (BPM (beats per minute))                     '141'
'TCOM' (Composer)                                   'Motörhead'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-hard'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Over Your Shoulder'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Motörhead'
'TPE2' (Band/orchestra/accompaniment)               'Motörhead'
'TPOS' (Part of a set)                              '3/5'
'TPUB' (Publisher)                                  'Castle Music'
'TRCK' (Track number/Position in set)               '17/19'
'TSO2'                                              'Motörhead'
'TSOP' (Performer sort order)                       'Motörhead'
'TSRC' (ISRC (international standard recording code))  'GBAJE9500432'
'TSST' (Set subtitle)                               '1987-1996'
'TXXX:Acoustid Id'                                  'b5f39139-be76-47dd-926c-9f515131a1a4'
'TXXX:Artists'                                      'Motörhead'
'TXXX:BARCODE'                                      '5050159174799'
'TXXX:CATALOGNUMBER'                                'CMXBX747'
'TXXX:MusicBrainz Album Artist Id'                  '57961a97-3796-4bf7-9f02-a985a8979ae9'
'TXXX:MusicBrainz Album Id'                         '930e2c0f-bef2-4c7e-a459-8b44e93c8413'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '57961a97-3796-4bf7-9f02-a985a8979ae9'
'TXXX:MusicBrainz Release Group Id'                 '23922049-8179-3f3d-95c6-f999023813f3'
'TXXX:MusicBrainz Release Track Id'                 '7e752260-d8e2-4a41-ba71-26bc5409cce4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'heavy metal', 'hard rock', 'punk', 'rock & roll']
'TXXX:lastfmtags'                                   ['speed metal', 'hard rock', 'metal', 'rock', 'heavy metal']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.71 dB'
'TXXX:replaygain_track_peak'                        '0.579821'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f256c5aa-419d-4f51-8cf0-91a4dff51b71')

========================== row from database ==========================
                                              'id'  934679
                                            'path'  /data/Music/Bulk/00dwimp/Motorhead/Motorhead - CD3  1987-1996/17 - Over Your Shoulder.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  199
                                           'genre'  rock-gr-hard
                                        'filesize'  6429727
                                           'mtime'  1636902815
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Motorhead Motorhead CD3 1987 1996 17 rock gr hard
                                      'tag_artist'  Motörhead
                                     'tag_release'  Stone Deaf Forever!
                                       'tag_title'  Over Your Shoulder
                                             'bpm'  141.0
                                    'search_title'  'over':1 'shoulder':3 'your':2
                                   'search_artist'  'motorhead':1,2
                                  'search_release'  'deaf':2 'forever':3 'stone':1
                                     'search_rest'  '00dwimp':1 '1987':4 '1996':5 'cd3':3 'gr':7 'hard':8 'motorhead':2 'rock':6
                                    'search_combo'  '00dwimp':9 '1987':12 '1996':13 'cd3':11 'deaf':7C 'forever':8C 'gr':15 'hard':16 'motorhead':4B,5B,10 'over':1A 'rock':14 'shoulder':3A 'stone':6C 'your':2A
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['speed metal', 'hard rock', 'metal', 'rock', 'heavy metal']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'heavy metal', 'hard rock', 'punk', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1636902815.3957963  (2021-11-14 16:13:35)
                             'size'  6429727