======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '475'
                                          'artist'  'Greenslade'
                                     'text_people'  ''
                                         'release'  'progsoup 61'
                                           'title'  'Tide'
                                           '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic prog', 'art rock', 'progressive rock', 'progressive', 'symphonic "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '105.149'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x00B\x006\x00+\x003\x00D\x001\x00D\x00+\x007\x003\x005\x002\x00+\x008\x009\x00D\x00A\x00+\x00B\x00B\x00D\x00C\x00+\x001\x001\x005\x008\x00F\x00+\x001\x005\x00B\x007\x003\x00+\x001\x009\x005\x00B\x004\x00+\x001\x00D\x001\x009\x008\x00+\x002\x001\x003\x006\x000\x00+\x002\x003\x00E\x00C\x00E\x00\x00\x00')
'PRIV:AverageLevel:\x0b\x0c\x00\x00'                PRIV(owner='AverageLevel', data=b'\x0b\x0c\x00\x00')
'PRIV:PeakValue:tQ\x00\x00'                         PRIV(owner='PeakValue', data=b'tQ\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:×TF\x93©\x1a¨G\x86Öu;è\x89#\x7f'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd7TF\x93\xa9\x1a\xa8G\x86\xd6u;\xe8\x89#\x7f')
'PRIV:WM/WMCollectionID:×TF\x93©\x1a¨G\x86Öu;è\x89#\x7f'  PRIV(owner='WM/WMCollectionID', data=b'\xd7TF\x93\xa9\x1a\xa8G\x86\xd6u;\xe8\x89#\x7f')
'PRIV:WM/WMContentID:\x06ÏÌ\x90l6~L\x8f\x87\x94\x12\x98\x8ecd'  PRIV(owner='WM/WMContentID', data=b'\x06\xcf\xcc\x90l6~L\x8f\x87\x94\x12\x98\x8ecd')
'TALB' (Album/Movie/Show title)                     'progsoup 61'
'TBPM' (BPM (beats per minute))                     '105.149'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Tide'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Greenslade'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'WEA'
'TRCK' (Track number/Position in set)               '24'
'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'                                   ['symphonic prog',
 'art rock',
 'progressive rock',
 'progressive',
 'symphonic 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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.587917'

========================== row from database ==========================
                                              'id'  1416082
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 61/3384 greenslade -  catalan.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  475
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  19012460
                                           'mtime'  1620737622
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3384 greenslade catalan rock cppex progressive;set pl progspace
                                      'tag_artist'  Greenslade
                                     'tag_release'  progsoup 61
                                       'tag_title'  Tide
                                             'bpm'  105.149
                                    'search_title'  'tide':1
                                   'search_artist'  'greenslade':1
                                  'search_release'  '61':2 'progsoup':1
                                     'search_rest'  '3384':3 'catalan':5 'classicprogpsy':1 'cppex':7 'greenslade':4 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11
                                    'search_combo'  '3384':7 '61':4C 'catalan':9 'classicprogpsy':5 'cppex':11 'greenslade':2B,8 'pl':16 'progressive':12,14 'progsoup':3C,6 'progspace':17 'rock':10 'set':13,15 'tide':1A
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  9B
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['symphonic prog', 'art rock', 'progressive rock', 'progressive', 'symphonic rock']
                                        'tag_date'  1975
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737622.4842744  (2021-05-11 14:53:42)
                             'size'  19012460