======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '144'
                                          'artist'  "Dickey Doo & The Dont's"
                                     'text_people'  'Dickey Doo; Grant; J. Lee'
                                         'release'  "The Golden Age of American Rock 'n' Roll, Vol. 3"
                                           'title'  'Click Clack'
                                           '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-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'cool baby']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-doowop'
                                             'bpm'  '101.411'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-229 POS 28'
'COMM:ID3v1 Comment:XXX'                            '58-229 POS 28'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x00E\x00+\x00B\x006\x00+\x003\x006\x001\x00C\x00+\x006\x001\x007\x00D\x00+\x009\x002\x008\x00B\x00+\x00B\x007\x000\x00E\x00+\x00E\x005\x00A\x006\x00+\x001\x001\x007\x00E\x007\x00+\x001\x004\x002\x008\x002\x00+\x001\x007\x005\x00E\x00A\x00+\x001\x00A\x005\x00A\x00B\x00+\x001\x00C\x00F\x00B\x001\x00+\x002\x000\x000\x004\x009\x00+\x002\x002\x006\x007\x00D\x00+\x002\x005\x000\x00A\x000\x00+\x002\x007\x00B\x00A\x007\x00+\x002\x00A\x004\x006\x003\x00+\x002\x00D\x000\x00F\x00F\x00+\x002\x00F\x00A\x006\x00C\x00+\x003\x001\x009\x00C\x00A\x00+\x003\x004\x00F\x004\x00B\x00+\x003\x007\x007\x000\x008\x00+\x003\x00A\x004\x000\x008\x00+\x003\x00C\x00C\x006\x00E\x00+\x003\x00F\x006\x00B\x000\x00+\x004\x002\x00B\x00C\x001\x00+\x004\x005\x000\x002\x00B\x00+\x004\x008\x00F\x002\x00B\x00+\x004\x00B\x007\x005\x003\x00+\x004\x00D\x00F\x005\x00F\x00+\x005\x000\x008\x00D\x009\x00+\x005\x003\x003\x002\x007\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')
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'PRIV:WM/WMCollectionGroupID:þ>;£ ®lE\x9b7U\x120\x19^R'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xfe>;\xa3 \xaelE\x9b7U\x120\x19^R')
'PRIV:WM/WMCollectionID:þ>;£ ®lE\x9b7U\x120\x19^R'  PRIV(owner='WM/WMCollectionID', data=b'\xfe>;\xa3 \xaelE\x9b7U\x120\x19^R')
'PRIV:WM/WMContentID:ú\x1dðÆ\x19þ\x89L\x99[ÒÉ\x1a\x18EA'  PRIV(owner='WM/WMContentID', data=b'\xfa\x1d\xf0\xc6\x19\xfe\x89L\x99[\xd2\xc9\x1a\x18EA')
'TALB' (Album/Movie/Show title)                     "The Golden Age of American Rock 'n' Roll, Vol. 3"
'TBPM' (BPM (beats per minute))                     '101.411'
'TCOM' (Composer)                                   'Dickey Doo; Grant; J. Lee'
'TCON' (Content type, a.k.a. Genre)                 'prerock-doowop'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Click Clack'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '144386'
'TPE1' (Lead performer(s)/Soloist(s))               "Dickey Doo & The Dont's"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ace'
'TRCK' (Track number/Position in set)               '30'
'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:lastfmtags'                                   ['lounge', 'cool baby']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.39 dB'
'TXXX:replaygain_track_peak'                        '0.506764'

========================== row from database ==========================
                                              'id'  1500516
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-229 - Dickey Doo & The Dont_s - Click Clack.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  144
                                           'genre'  prerock-doowop
                                        'filesize'  5777786
                                           'mtime'  1621705422
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 229 Dont_s prerock doowop
                                      'tag_artist'  Dickey Doo & The Dont's
                                     'tag_release'  The Golden Age of American Rock 'n' Roll, Vol. 3
                                       'tag_title'  Click Clack
                                             'bpm'  101.411
                                    'search_title'  'clack':2 'click':1
                                   'search_artist'  'dickey':1 'dont':4 'donts':6 'doo':2 's':5 'the':3
                                  'search_release'  '3':13 'age':3 'american':5 'golden':2 'n':7,8 'of':4 'rock':6 'roll':9,10 'the':1 'vol':11,12
                                     'search_rest'  '00oldiepop':5 '1958':6 '229':8 '58':7 'country':4 'dont':9 'doowop':12 'exotica':2 'jazz':1 'oldies':3 'prerock':11 's':10
                                    'search_combo'  '00oldiepop':26 '1958':27 '229':29 '3':21C '58':28 'age':11C 'american':13C 'clack':2A 'click':1A 'country':25 'dickey':3B 'dont':6B,30 'donts':8B 'doo':4B 'doowop':33 'exotica':23 'golden':10C 'jazz':22 'n':15C,16C 'of':12C 'oldies':24 'prerock':32 'rock':14C 'roll':17C,18C 's':7B,31 'the':5B,9C 'vol':19C,20C
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  2A
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'cool baby']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705421.6809797  (2021-05-22 19:43:41)
                             'size'  5777786