======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '163'
                                          'artist'  'Pastels'
                                     'text_people'  'Anthony Thomas/Difosco Ervin/J.B. Willingham/Richard Travis'
                                         'release'  'The Doo Wop Box Disc 3'
                                           'title'  'Been So Long'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['twee', 'indie pop', 'scottish', 'c86', 'indie']"
                                     'discogstags'  "['instrumental', 'rock & roll', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-doowop'
                                             'bpm'  '129.896'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-205 POS 24'
'COMM:ID3v1 Comment:XXX'                            '58-205 POS 24'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x009\x00+\x00B\x006\x00+\x003\x000\x00B\x008\x00+\x006\x002\x001\x00D\x00+\x008\x00B\x006\x00C\x00+\x00B\x00D\x00C\x00E\x00+\x00E\x006\x00B\x006\x00+\x001\x000\x00D\x00D\x003\x00+\x001\x003\x00E\x008\x009\x00+\x001\x006\x00A\x004\x009\x00+\x001\x009\x006\x008\x00B\x00+\x001\x00C\x003\x003\x001\x00+\x001\x00F\x003\x004\x004\x00+\x002\x001\x00C\x000\x00C\x00+\x002\x004\x000\x00B\x005\x00+\x002\x008\x007\x00B\x002\x00+\x002\x00B\x00A\x00E\x005\x00+\x002\x00E\x004\x00F\x00F\x00+\x003\x001\x008\x005\x00F\x00+\x003\x004\x008\x005\x005\x00+\x003\x007\x001\x003\x001\x00+\x003\x009\x00F\x005\x005\x00+\x003\x00C\x00D\x005\x004\x00+\x003\x00F\x005\x00D\x009\x00+\x004\x003\x000\x00E\x009\x00+\x004\x005\x00D\x00B\x009\x00+\x004\x008\x00A\x000\x00D\x00\x00\x00')
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'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\x003\x002\x008\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x005\x009\x007\x007\x007\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x000\x003\x002\x008\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x005\x009\x007\x007\x007\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ºy\x1aÏ\x0c½àA°©§â\x1f¤bz'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xbay\x1a\xcf\x0c\xbd\xe0A\xb0\xa9\xa7\xe2\x1f\xa4bz')
'PRIV:WM/WMCollectionID:~\x01òqyÃÌG\x9bü;îÒYE\x18'  PRIV(owner='WM/WMCollectionID', data=b'~\x01\xf2qy\xc3\xccG\x9b\xfc;\xee\xd2YE\x18')
'PRIV:WM/WMContentID:aº`õ{i~A·)Õz\x93â\xa0Ñ'        PRIV(owner='WM/WMContentID', data=b'a\xba`\xf5{i~A\xb7)\xd5z\x93\xe2\xa0\xd1')
'TALB' (Album/Movie/Show title)                     'The Doo Wop Box Disc 3'
'TBPM' (BPM (beats per minute))                     '129.896'
'TCOM' (Composer)                                   'Anthony Thomas/Difosco Ervin/J.B. Willingham/Richard Travis'
'TCON' (Content type, a.k.a. Genre)                 'prerock-doowop'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Been So Long'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '163866'
'TPE1' (Lead performer(s)/Soloist(s))               'Pastels'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['instrumental', 'rock & roll', 'rock']
'TXXX:lastfmtags'                                   ['twee', 'indie pop', 'scottish', 'c86', 'indie']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.655544'

========================== row from database ==========================
                                              'id'  1436697
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-205 - Pastels - Been So Long.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  163
                                           'genre'  prerock-doowop
                                        'filesize'  6558355
                                           'mtime'  1621705422
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 205 prerock doowop
                                      'tag_artist'  Pastels
                                     'tag_release'  The Doo Wop Box Disc 3
                                       'tag_title'  Been So Long
                                             'bpm'  129.896
                                    'search_title'  'been':1 'long':3 'so':2
                                   'search_artist'  'pastels':1
                                  'search_release'  '3':6 'box':4 'disc':5 'doo':2 'the':1 'wop':3
                                     'search_rest'  '00oldiepop':5 '1958':6 '205':8 '58':7 'country':4 'doowop':10 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':15 '1958':16 '205':18 '3':10C '58':17 'been':1A 'box':8C 'country':14 'disc':9C 'doo':6C 'doowop':20 'exotica':12 'jazz':11 'long':3A 'oldies':13 'pastels':4B 'prerock':19 'so':2A 'the':5C 'wop':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['twee', 'indie pop', 'scottish', 'c86', 'indie']
                                        'tag_date'  1958
                                     'discogstags'  ['instrumental', 'rock & roll', 'rock']

============================== file details ==============================
                                           'mtime'  1621705421.6416464  (2021-05-22 19:43:41)
                             'size'  6558355