======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '1063'
                                          'artist'  'Big Big Train'
                                     'text_people'  ''
                                         'release'  'Progsoup 44'
                                           'title'  'The Wide Open Sea'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['art rock', 'progressive rock', 'progressive', 'british', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '41'
                                      'tracktotal'  '5'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '140.433'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'\x004f099c05\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 \x002\x001\x000\x003\x008\x002\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x003\x001\x001\x006\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x002\x007\x003\x002\x001\x006\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x002\x001\x000\x003\x008\x002\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x008\x003\x001\x001\x006\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x002\x007\x003\x002\x001\x006\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:m)\x19È"ê|I·4y¹\x93v\x1cG'  PRIV(owner='WM/WMCollectionGroupID', data=b'm)\x19\xc8"\xea|I\xb74y\xb9\x93v\x1cG')
'PRIV:WM/WMCollectionID:m)\x19È"ê|I·4y¹\x93v\x1cG'  PRIV(owner='WM/WMCollectionID', data=b'm)\x19\xc8"\xea|I\xb74y\xb9\x93v\x1cG')
'PRIV:WM/WMContentID:\x8e¡x\x99ý<÷I\x8e$éà\x0f\x19±d'  PRIV(owner='WM/WMContentID', data=b'\x8e\xa1x\x99\xfd<\xf7I\x8e$\xe9\xe0\x0f\x19\xb1d')
'TALB' (Album/Movie/Show title)                     'Progsoup 44'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'Encoded with FreeRIP'
'TIT2' (Title/songname/content description)         'The Wide Open Sea'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '1063546'
'TPE1' (Lead performer(s)/Soloist(s))               'Big Big Train'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '41/5'
'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'                                   ['art rock', 'progressive rock', 'progressive', 'british', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.376413'

========================== row from database ==========================
                                              'id'  1413353
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 44/2552 Big Big Train - the wide open sea.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  1063
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  42547306
                                           'mtime'  1620737438
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2552 the wide open sea rock cppex progressive;set pl progspace
                                      'tag_artist'  Big Big Train
                                     'tag_release'  Progsoup 44
                                       'tag_title'  The Wide Open Sea
                                             'bpm'  140.433
                                    'search_title'  'open':3 'sea':4 'the':1 'wide':2
                                   'search_artist'  'big':1 'train':2
                                  'search_release'  '44':2 'progsoup':1
                                     'search_rest'  '2552':3 'classicprogpsy':1 'cppex':9 'open':6 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 'sea':7 'set':11,13 'the':4 'wide':5
                                    'search_combo'  '2552':11 '44':8C 'big':5B 'classicprogpsy':9 'cppex':17 'open':3A,14 'pl':22 'progressive':18,20 'progsoup':7C,10 'progspace':23 'rock':16 'sea':4A,15 'set':19,21 'the':1A,12 'train':6B 'wide':2A,13
                                    'tag_tracknum'  41
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['art rock', 'progressive rock', 'progressive', 'british', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737437.8917248  (2021-05-11 14:50:37)
                             'size'  42547306