======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '149'
                                          'artist'  'Bert Kaempfert'
                                     'text_people'  'Bert Kaempfert/Lutz Templin'
                                         'release'  'Lights Out, Sweet Dreams/Living It Up!'
                                           'title'  'Give and Take'
                                           '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-1', 'q-other-4', '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'  '19'
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '84.140'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x003\x002\x003\x00E\x00+\x006\x005\x00D\x001\x00+\x00A\x002\x003\x005\x00+\x00D\x008\x003\x001\x00+\x001\x001\x005\x00D\x00C\x00+\x001\x004\x00B\x004\x000\x00+\x001\x007\x00B\x009\x004\x00+\x001\x00A\x00D\x008\x00D\x00+\x001\x00E\x00E\x000\x001\x00+\x002\x002\x007\x00B\x005\x00+\x002\x005\x00D\x004\x003\x00+\x002\x009\x00A\x004\x002\x00+\x002\x00C\x008\x00D\x005\x00+\x002\x00F\x009\x008\x00F\x00+\x003\x002\x001\x00B\x005\x00+\x003\x004\x00F\x005\x008\x00+\x003\x007\x00F\x008\x002\x00+\x003\x00A\x00F\x00C\x00F\x00+\x003\x00D\x00B\x00A\x00D\x00+\x004\x001\x004\x00B\x00A\x00+\x004\x004\x007\x005\x002\x00+\x004\x006\x00F\x009\x00D\x00+\x004\x009\x00A\x007\x002\x00+\x004\x00C\x000\x008\x00D\x00\x00\x00')
'PRIV:AverageLevel:,\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b',\x12\x00\x00')
'PRIV:PeakValue:Íu\x00\x00'                         PRIV(owner='PeakValue', data=b'\xcdu\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 \x004\x002\x004\x008\x009\x000\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\x002\x005\x000\x006\x002\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x002\x004\x008\x009\x000\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\x002\x005\x000\x006\x002\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x87\x8fgKc\x05êIº_ÀP\x109\x81\x04'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x87\x8fgKc\x05\xeaI\xba_\xc0P\x109\x81\x04')
'PRIV:WM/WMCollectionID:\x87\x8fgKc\x05êIº_ÀP\x109\x81\x04'  PRIV(owner='WM/WMCollectionID', data=b'\x87\x8fgKc\x05\xeaI\xba_\xc0P\x109\x81\x04')
'PRIV:WM/WMContentID:E]¥Ev¦¨G\x90\x96³\x86×.Ý°'     PRIV(owner='WM/WMContentID', data=b'E]\xa5Ev\xa6\xa8G\x90\x96\xb3\x86\xd7.\xdd\xb0')
'TALB' (Album/Movie/Show title)                     'Lights Out, Sweet Dreams/Living It Up!'
'TBPM' (BPM (beats per minute))                     '84.140'
'TCOM' (Composer)                                   'Bert Kaempfert/Lutz Templin'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         'Give and Take'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '149733'
'TPE1' (Lead performer(s)/Soloist(s))               'Bert Kaempfert'
'TPE2' (Band/orchestra/accompaniment)               'Bert Kaempfert'
'TPUB' (Publisher)                                  'Taragon'
'TRCK' (Track number/Position in set)               '19'
'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'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.484414'

========================== row from database ==========================
                                              'id'  794712
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Bert Kaemfert/Living It Up/07_Give and Take.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3591588
                                           'mtime'  1620531838
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge Kaemfert 07_Give prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Bert Kaempfert
                                     'tag_release'  Lights Out, Sweet Dreams/Living It Up!
                                       'tag_title'  Give and Take
                                             'bpm'  84.14
                                    'search_title'  'and':2 'give':1 'take':3
                                   'search_artist'  'bert':1 'kaempfert':2
                                  'search_release'  'dreams':5 'dreamsliving':7 'it':8 'lights':1 'living':6 'out':2,3 'sweet':4 'up':9
                                     'search_rest'  '07':7 'bossa':12 'country':4 'exotica':2 'give':8 'jazz':1 'jb':10 'kaemfert':6 'lounge':5 'oldies':3 'or':11 'prerock':9
                                    'search_combo'  '07':21 'and':2A 'bert':4B 'bossa':26 'country':18 'dreams':10C 'dreamsliving':12C 'exotica':16 'give':1A,22 'it':13C 'jazz':15 'jb':24 'kaemfert':20 'kaempfert':5B 'lights':6C 'living':11C 'lounge':19 'oldies':17 'or':25 'out':7C,8C 'prerock':23 'sweet':9C 'take':3A 'up':14C
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  11B
                                           '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-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'german', 'jazz', 'swing', 'easy listening']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620531837.7217531  (2021-05-09 05:43:57)
                             'size'  3591588