======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '628'
                                          'artist'  'Landberk'
                                     'text_people'  'Andreas Dahlbäck/Stefan Dimle/Reine Fiske/Patric Helje/Simon Nordberg'
                                         'release'  'progsoup 10'
                                           'title'  'Lonely Land'
                                           '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'sweden', 'progressive rock', 'progressive']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '145.267'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x00C\x008\x00+\x005\x000\x007\x00F\x00+\x00E\x009\x000\x002\x00+\x001\x007\x004\x005\x00F\x00+\x001\x00E\x000\x005\x007\x00+\x002\x005\x00B\x001\x00D\x00+\x002\x00C\x006\x003\x00E\x00+\x003\x007\x00E\x006\x002\x00\x00\x00')
'PRIV:AverageLevel:\x8a\x07\x00\x00'                PRIV(owner='AverageLevel', data=b'\x8a\x07\x00\x00')
'PRIV:PeakValue:S|\x00\x00'                         PRIV(owner='PeakValue', data=b'S|\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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:pW\x9bè\x97/ÑE\x89è\x80ë7ö#¾'  PRIV(owner='WM/WMCollectionGroupID', data=b'pW\x9b\xe8\x97/\xd1E\x89\xe8\x80\xeb7\xf6#\xbe')
'PRIV:WM/WMCollectionID:pW\x9bè\x97/ÑE\x89è\x80ë7ö#¾'  PRIV(owner='WM/WMCollectionID', data=b'pW\x9b\xe8\x97/\xd1E\x89\xe8\x80\xeb7\xf6#\xbe')
'PRIV:WM/WMContentID:È@\x98þ\x03Ô9@\x83\x9bb\x07(\x9eÑ`'  PRIV(owner='WM/WMContentID', data=b'\xc8@\x98\xfe\x03\xd49@\x83\x9bb\x07(\x9e\xd1`')
'TALB' (Album/Movie/Show title)                     'progsoup 10'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCOM' (Composer)                                   'Andreas Dahlbäck/Stefan Dimle/Reine Fiske/Patric Helje/Simon Nordberg'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Lonely Land'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '628533'
'TPE1' (Lead performer(s)/Soloist(s))               'Landberk'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'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'                                   ['swedish', 'sweden', 'progressive rock', 'progressive']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.971321'

========================== row from database ==========================
                                              'id'  1416553
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/Progsoup 10/547 landberk - lonely land.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  628
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  20117504
                                           'mtime'  1620736250
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP Progsoup 547 landberk lonely land rock cppex progressive;set pl progspace
                                      'tag_artist'  Landberk
                                     'tag_release'  progsoup 10
                                       'tag_title'  Lonely Land
                                             'bpm'  145.267
                                    'search_title'  'land':2 'lonely':1
                                   'search_artist'  'landberk':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '547':3 'classicprogpsy':1 'cppex':8 'land':6 'landberk':4 'lonely':5 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12
                                    'search_combo'  '547':7 'classicprogpsy':5 'cppex':12 'land':2A,10 'landberk':3B,8 'lonely':1A,9 'pl':17 'progressive':13,15 'progsoup':4C,6 'progspace':18 'rock':11 'set':14,16
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  ['swedish', 'sweden', 'progressive rock', 'progressive']
                                        'tag_date'  1975
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736250.094018  (2021-05-11 14:30:50)
                             'size'  20117504