======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '252'
                                          'artist'  'Katatonia'
                                     'text_people'  ''
                                         'release'  'Progsoup 48'
                                           'title'  "Soil's Song"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['depressive rock', 'metal', 'doom metal', 'progressive metal', 'gothic "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '135.274'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:I\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'I\x1d\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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:M\x00u\x00z\x00e\x00\x00\x00'     PRIV(owner='WM/Provider', data=b'M\x00u\x00z\x00e\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:M\x03\x8c*D§\x85O\x9dªa\x8cº\n¢ç'  PRIV(owner='WM/WMCollectionGroupID', data=b'M\x03\x8c*D\xa7\x85O\x9d\xaaa\x8c\xba\n\xa2\xe7')
'PRIV:WM/WMCollectionID:M\x03\x8c*D§\x85O\x9dªa\x8cº\n¢ç'  PRIV(owner='WM/WMCollectionID', data=b'M\x03\x8c*D\xa7\x85O\x9d\xaaa\x8c\xba\n\xa2\xe7')
'PRIV:WM/WMContentID:\x89Ë\x86e\x91ÞéNº(/wþ2\x99±'  PRIV(owner='WM/WMContentID', data=b'\x89\xcb\x86e\x91\xde\xe9N\xba(/w\xfe2\x99\xb1')
'TALB' (Album/Movie/Show title)                     'Progsoup 48'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "Soil's Song"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Katatonia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Peaceville'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['depressive rock', 'metal', 'doom metal', 'progressive metal', 'gothic metal']
'TXXX:q-bass'                                       '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.67 dB'
'TXXX:replaygain_track_peak'                        '0.463063'

========================== row from database ==========================
                                              'id'  1496201
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 48/2713 katatonia - soil_s song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  252
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  10094864
                                           'mtime'  1620737466
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2713 katatonia soil_s song rock cppex progressive;set pl progspace
                                      'tag_artist'  Katatonia
                                     'tag_release'  Progsoup 48
                                       'tag_title'  Soil's Song
                                             'bpm'  135.274
                                    'search_title'  's':2 'soil':1 'soils':3 'song':4
                                   'search_artist'  'katatonia':1
                                  'search_release'  '48':2 'progsoup':1
                                     'search_rest'  '2713':3 'classicprogpsy':1 'cppex':9 'katatonia':4 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 's':6 'set':11,13 'soil':5 'song':7
                                    'search_combo'  '2713':10 '48':7C 'classicprogpsy':8 'cppex':16 'katatonia':5B,11 'pl':21 'progressive':17,19 'progsoup':6C,9 'progspace':22 'rock':15 's':2A,13 'set':18,20 'soil':1A,12 'soils':3A 'song':4A,14
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['depressive rock', 'metal', 'doom metal', 'progressive metal', 'gothic metal']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737466.4425316  (2021-05-11 14:51:06)
                             'size'  10094864