======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '121'
                                          'artist'  "Einstein's Creation"
                                     'text_people'  'James Eric'
                                         'release'  "Cheese Alfred Pickles Spam: The Worst of Einstein's Creation"
                                           'title'  "Denny's a Bad Man"
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '120.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
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'COMM:iTunes_CDDB_TrackNumber:eng'                  '7'
'TALB' (Album/Movie/Show title)                     "Cheese Alfred Pickles Spam: The Worst of Einstein's Creation"
'TBPM' (BPM (beats per minute))                     '120.3'
'TCOM' (Composer)                                   'James Eric'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1992'
'TENC' (Encoded by)                                 'iTunes v7.4.3.1'
'TIT2' (Title/songname/content description)         "Denny's a Bad Man"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Einstein's Creation"
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:q-drums'                                      '2'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
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'TXXX:replaygain_track_peak'                        '0.542004'

========================== row from database ==========================
                                              'id'  660214
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/298_07_Einsteins_Creation_-_Dennys_A_Bad_Man.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  121
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  2604164
                                           'mtime'  1636400802
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                                        'rest_str'   00exnnpjpsprgttidm 10 298_07_Einsteins_Creation_ _Dennys_A_Bad_Man ifs songwriter experimental
                                      'tag_artist'  Einstein's Creation
                                     'tag_release'  Cheese Alfred Pickles Spam: The Worst of Einstein's Creation
                                       'tag_title'  Denny's a Bad Man
                                             'bpm'  120.3
                                    'search_title'  'a':4 'bad':5 'denny':1 'dennys':3 'man':6 's':2
                                   'search_artist'  'creation':4 'einstein':1 'einsteins':3 's':2
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                                     'search_rest'  '07':2 '298':1 'a':6 'bad':7 'creation':4 'dennys':5 'einsteins':3 'experimental':11 'ifs':9 'man':8 'songwriter':10
                                    'search_combo'  '07':24 '298':23 'a':4A,28 'alfred':12C 'bad':5A,29 'cheese':11C 'creation':10B,22C,26 'denny':1A 'dennys':3A,27 'einstein':7B,19C 'einsteins':9B,21C,25 'experimental':33 'ifs':31 'man':6A,30 'of':18C 'pickles':13C 's':2A,8B,20C 'songwriter':32 'spam':14C,15C 'the':16C 'worst':17C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400802.4385316  (2021-11-08 20:46:42)
                             'size'  2604164