======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '152'
                                          'artist'  'Bert Kaempfert'
                                     'text_people'  'Bert Kaempfert'
                                         'release'  "Swingin' Safari"
                                           'title'  'Market Day'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'german', 'jazz', 'swing', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '92.857'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'C\x00+\x00B\x006\x00+\x003\x007\x00E\x008\x00+\x006\x00B\x001\x009\x00+\x009\x007\x00C\x009\x00+\x00C\x00D\x00C\x00F\x00+\x001\x000\x001\x00F\x005\x00+\x001\x003\x003\x00D\x00C\x00+\x001\x005\x00E\x00F\x00A\x00+\x001\x008\x00D\x00C\x001\x00+\x001\x00B\x004\x003\x006\x00+\x001\x00E\x004\x006\x007\x00+\x002\x001\x002\x003\x00C\x00+\x002\x004\x004\x004\x008\x00\x00\x00')
'PRIV:AverageLevel:]\x0c\x00\x00'                   PRIV(owner='AverageLevel', data=b']\x0c\x00\x00')
'PRIV:PeakValue:Áo\x00\x00'                         PRIV(owner='PeakValue', data=b'\xc1o\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: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 \x003\x006\x008\x002\x003\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x006\x008\x006\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x006\x002\x001\x005\x002\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x003\x006\x008\x002\x003\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x006\x008\x006\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x006\x002\x001\x005\x002\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:²Ç\x0bDÔ¦AB¶}¬Wð_7p'   PRIV(owner='WM/WMCollectionGroupID', data=b'\xb2\xc7\x0bD\xd4\xa6AB\xb6}\xacW\xf0_7p')
'PRIV:WM/WMCollectionID:²Ç\x0bDÔ¦AB¶}¬Wð_7p'        PRIV(owner='WM/WMCollectionID', data=b'\xb2\xc7\x0bD\xd4\xa6AB\xb6}\xacW\xf0_7p')
'PRIV:WM/WMContentID:Ã\x11ß.@qÃI\x83\x89\x83!ù»B+'  PRIV(owner='WM/WMContentID', data=b'\xc3\x11\xdf.@q\xc3I\x83\x89\x83!\xf9\xbbB+')
'TALB' (Album/Movie/Show title)                     "Swingin' Safari"
'TBPM' (BPM (beats per minute))                     '92.857'
'TCOM' (Composer)                                   'Bert Kaempfert'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         'Market Day'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '152533'
'TPE1' (Lead performer(s)/Soloist(s))               'Bert Kaempfert'
'TPE2' (Band/orchestra/accompaniment)               'Bert Kaempfert'
'TPUB' (Publisher)                                  'Polygram International'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'german', 'jazz', 'swing', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.865906'

========================== row from database ==========================
                                              'id'  792462
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Bert Kaemfert/That Happy Feeling/03_Market Day.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  152
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3658940
                                           'mtime'  1620531868
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge Kaemfert That Happy Feeling 03_Market prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Bert Kaempfert
                                     'tag_release'  Swingin' Safari
                                       'tag_title'  Market Day
                                             'bpm'  92.857
                                    'search_title'  'day':2 'market':1
                                   'search_artist'  'bert':1 'kaempfert':2
                                  'search_release'  'safari':3 'swingin':1,2
                                     'search_rest'  '03':10 'bossa':15 'country':4 'exotica':2 'feeling':9 'happy':8 'jazz':1 'jb':13 'kaemfert':6 'lounge':5 'market':11 'oldies':3 'or':14 'prerock':12 'that':7
                                    'search_combo'  '03':17 'bert':3B 'bossa':22 'country':11 'day':2A 'exotica':9 'feeling':16 'happy':15 'jazz':8 'jb':20 'kaemfert':13 'kaempfert':4B 'lounge':12 'market':1A,18 'oldies':10 'or':21 'prerock':19 'safari':7C 'swingin':5C,6C 'that':14
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'german', 'jazz', 'swing', 'easy listening']
                                        'tag_date'  1962
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531867.5228992  (2021-05-09 05:44:27)
                             'size'  3658940