======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '134'
                                          'artist'  'Jimmie Lunceford & His Orchestra'
                                     'text_people'  'Jimmie Lunceford'
                                         'release'  'Peelenium'
                                           'title'  'Stratosphere'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swing', 'jazz', 'big band', 'saxophone', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '130.988'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:f\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'f\x0e\x00\x00')
'PRIV:PeakValue:\x13{\x00\x00'                      PRIV(owner='PeakValue', data=b'\x13{\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 \x002\x000\x009\x002\x000\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x004\x009\x009\x000\x006\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x000\x009\x002\x000\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x004\x009\x009\x000\x006\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x9aê½D\x8b\x8b>O\x98Ûqóqà}A'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9a\xea\xbdD\x8b\x8b>O\x98\xdbq\xf3q\xe0}A')
'PRIV:WM/WMCollectionID:\x96\tjÇe2ÇJ¬Çx\xa0(±²q'    PRIV(owner='WM/WMCollectionID', data=b'\x96\tj\xc7e2\xc7J\xac\xc7x\xa0(\xb1\xb2q')
'PRIV:WM/WMContentID:M·\x18©åNKB\x99y#¿\x85;ïl'     PRIV(owner='WM/WMContentID', data=b'M\xb7\x18\xa9\xe5NKB\x99y#\xbf\x85;\xefl')
'TALB' (Album/Movie/Show title)                     'Peelenium'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCOM' (Composer)                                   'Jimmie Lunceford'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Stratosphere'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '134666'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmie Lunceford & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Smithsonian Collection'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swing', 'jazz', 'big band', 'saxophone', 'blues']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.48 dB'
'TXXX:replaygain_track_peak'                        '0.571739'

========================== row from database ==========================
                                              'id'  1510240
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/04-Jimmie Lunceford & His Orchestra __Stratosphere__.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  134
                                           'genre'  prerock-swing
                                        'filesize'  3235712
                                           'mtime'  1620560305
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 04 __Stratosphere__ prerock swing
                                      'tag_artist'  Jimmie Lunceford & His Orchestra
                                     'tag_release'  Peelenium
                                       'tag_title'  Stratosphere
                                             'bpm'  130.988
                                    'search_title'  'stratosphere':1
                                   'search_artist'  'his':3 'jimmie':1 'lunceford':2 'orchestra':4
                                  'search_release'  'peelenium':1
                                     'search_rest'  '00oldiepop':5 '1934':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'stratosphere':7 'swing':9
                                    'search_combo'  '00oldiepop':11 '1934':12 'country':10 'exotica':8 'his':4B 'jazz':7 'jimmie':2B 'lunceford':3B 'oldies':9 'orchestra':5B 'peelenium':6C 'prerock':14 'stratosphere':1A,13 'swing':15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['swing', 'jazz', 'big band', 'saxophone', 'blues']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560304.8628943  (2021-05-09 13:38:24)
                             'size'  3235712