======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'Yusef Lateef'
                                     'text_people'  'Yusef Lateef'
                                         'release'  "Yusef Lateef's Detroit"
                                           'title'  'Livingston Playground'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-1', 'q-bass-4', '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'  "['fusion', 'jazz', 'saxophone', 'experimental', 'flute']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '142.6'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000040B 000004CB 00000FE4 000014A7 0001ADC7 0002BF4E 00006057 00007960 '
 '0002BF37 0002E647')
'MCDI' (Music CD identifier)                        MCDI(data=b'8\x00+\x009\x006\x00+\x003\x005\x00C\x008\x00+\x007\x006\x004\x00E\x00+\x00C\x000\x00F\x004\x00+\x00F\x009\x00E\x00A\x00+\x001\x004\x00E\x00A\x00D\x00+\x001\x007\x00C\x00E\x005\x00+\x001\x00A\x004\x002\x001\x00+\x002\x002\x007\x003\x006\x00\x00\x00')
'PRIV:AverageLevel:{\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x17\x00\x00')
'PRIV:PeakValue:!\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x7f\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 \x001\x004\x002\x005\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x009\x009\x006\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x001\x004\x003\x006\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x004\x002\x005\x008\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x009\x009\x006\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x001\x004\x003\x006\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:v\x9bm\tÅÔlI²\x02t¹Þ |Ç'  PRIV(owner='WM/WMCollectionGroupID', data=b'v\x9bm\t\xc5\xd4lI\xb2\x02t\xb9\xde |\xc7')
'PRIV:WM/WMCollectionID:v\x9bm\tÅÔlI²\x02t¹Þ |Ç'    PRIV(owner='WM/WMCollectionID', data=b'v\x9bm\t\xc5\xd4lI\xb2\x02t\xb9\xde |\xc7')
'PRIV:WM/WMContentID:´ëe¡C:N@¥\x9e3È\x01P\x9e¡'     PRIV(owner='WM/WMContentID', data=b'\xb4\xebe\xa1C:N@\xa5\x9e3\xc8\x01P\x9e\xa1')
'TALB' (Album/Movie/Show title)                     "Yusef Lateef's Detroit"
'TBPM' (BPM (beats per minute))                     '142.6'
'TCOM' (Composer)                                   'Yusef Lateef'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Livingston Playground'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '220240'
'TPE1' (Lead performer(s)/Soloist(s))               'Yusef Lateef'
'TPE2' (Band/orchestra/accompaniment)               'Yusef Lateef'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['fusion', 'jazz', 'saxophone', 'experimental', 'flute']
'TXXX:q-bass'                                       '4'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.597859'

========================== row from database ==========================
                                              'id'  774931
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Lateef, Yusef/detroit/02 Livingston Playground.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  8826601
                                           'mtime'  1620592751
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Lateef, detroit 02 prerock jb jazz newer experimental or free
                                      'tag_artist'  Yusef Lateef
                                     'tag_release'  Yusef Lateef's Detroit
                                       'tag_title'  Livingston Playground
                                             'bpm'  142.6
                                    'search_title'  'livingston':1 'playground':2
                                   'search_artist'  'lateef':2 'yusef':1
                                  'search_release'  'detroit':5 'lateef':2 'lateefs':4 's':3 'yusef':1
                                     'search_rest'  'detroit':6 'experimental':11 'free':13 'funk':2 'jazz':9 'jb':8 'lateef':4,5 'newer':10 'or':12 'prerock':7 'soul':3 'swing':1
                                    'search_combo'  'detroit':9C,15 'experimental':20 'free':22 'funk':11 'jazz':18 'jb':17 'lateef':4B,6C,13,14 'lateefs':8C 'livingston':1A 'newer':19 'or':21 'playground':2A 'prerock':16 's':7C 'soul':12 'swing':10 'yusef':3B,5C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fusion', 'jazz', 'saxophone', 'experimental', 'flute']
                                        'tag_date'  1969
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620592750.6241477  (2021-05-09 22:39:10)
                             'size'  8826601