======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '189'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Rhapsody'
                                           'title'  'Variation On A Theme Of Paganini'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-CHART-2', 'Q-MIXBEAT-1', "
 "'Q-PLAY-2', 'q-bass-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1']")
                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '130.4'
                                             'key'  '10B'
                                        'acoustid'  '3b9ea347-f3c8-4353-b69b-e0a5bb363337'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Mono Recording'
'TALB' (Album/Movie/Show title)                     'Rhapsody'
'TBPM' (BPM (beats per minute))                     '130.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1961'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'Variation On A Theme Of Paganini'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/8'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:Acoustid Id'                                  '3b9ea347-f3c8-4353-b69b-e0a5bb363337'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:CATALOGNUMBER'                                'SF 13600'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         '1954717d-ca48-45f6-97a6-20abdb7f13bd'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 '2ebde9a0-8610-4265-a5f0-8a8ebd661415'
'TXXX:MusicBrainz Release Track Id'                 '9ce6c432-cfda-32c6-9449-5ecc88c1e231'
'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-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1961'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.79 dB'
'TXXX:replaygain_track_peak'                        '0.433598'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'82006ac6-d7f0-4ffe-9258-a296b8c12705')

========================== row from database ==========================
                                              'id'  1479511
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1961 - Rhapsody/05 - Variation On A Theme Of Paganini.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  189
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6503626
                                           'mtime'  1621705521
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1961 05 electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Rhapsody
                                       'tag_title'  Variation On A Theme Of Paganini
                                             'bpm'  130.4
                                    'search_title'  'a':3 'of':5 'on':2 'paganini':6 'theme':4 'variation':1
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'rhapsody':1
                                     'search_rest'  '1961':5 'country':4 'easy':10 'electronic':6 'exotica':2 'generic':7 'jazz':1 'listening':11 'oldies':3 'or':8 'radio':9
                                    'search_combo'  '101':7B '1961':15 'a':3A 'country':14 'easy':20 'electronic':16 'exotica':12 'generic':17 'jazz':11 'listening':21 'of':5A 'oldies':13 'on':2A 'or':18 'orchestra':9B 'paganini':6A 'radio':19 'rhapsody':10C 'strings':8B 'theme':4A 'variation':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', '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-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705521.499036  (2021-05-22 19:45:21)
                             'size'  6503626