======================== unified (from filesystem) ========================
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                                        'duration'  '256'
                                          'artist'  '101 Strings'
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                                           'title'  'I Love You'
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                                      'lastfmtags'  "['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '133.4'
                                             'key'  '8A'
                                        'acoustid'  'a41be549-8404-465d-b00b-d28b1054450a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Cole Porter Night and Day'
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'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'I Love You'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alshire Records'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:ASIN'                                         'B000000KPZ'
'TXXX:Acoustid Id'                                  'a41be549-8404-465d-b00b-d28b1054450a'
'TXXX:Artists'                                      '101 Strings'
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'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         'a479314d-31e4-41d8-a7e3-b5701b5a00fd'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
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'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.66 dB'
'TXXX:replaygain_track_peak'                        '0.495517'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3618686e-3867-487f-a306-7784aba32707')

========================== row from database ==========================
                                              'id'  1478935
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1987 - Cole Porter/07 - I Love You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  256
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  10290130
                                           'mtime'  1621705543
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The Orchestra 1987 07 electronic generic radio easy listening
                                      'tag_artist'  101 Strings
                                     'tag_release'  Cole Porter Night and Day
                                       'tag_title'  I Love You
                                             'bpm'  133.4
                                    'search_title'  'i':1 'love':2 'you':3
                                   'search_artist'  '101':1 'strings':2
                                  'search_release'  'and':4 'cole':1 'day':5 'night':3 'porter':2
                                     'search_rest'  '1987':7 'country':4 'easy':11 'electronic':8 'exotica':2 'generic':9 'jazz':1 'listening':12 'oldies':3 'orchestra':6 'radio':10 'the':5
                                    'search_combo'  '101':4B '1987':17 'and':9C 'cole':6C 'country':14 'day':10C 'easy':21 'electronic':18 'exotica':12 'generic':19 'i':1A 'jazz':11 'listening':22 'love':2A 'night':8C 'oldies':13 'orchestra':16 'porter':7C 'radio':20 'strings':5B 'the':15 'you':3A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705543.385489  (2021-05-22 19:45:43)
                             'size'  10290130