======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '406'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Last Tango in Paris and Other Songs of Love'
                                           'title'  'Midnight Rhapsody'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
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                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '142.7'
                                             'key'  '4A'
                                        'acoustid'  '2f00e129-ce3e-487c-8d11-0741dffe481e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Last Tango in Paris and Other Songs of Love'
'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Midnight Rhapsody'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alshire Records'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:Acoustid Id'                                  '2f00e129-ce3e-487c-8d11-0741dffe481e'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:CATALOGNUMBER'                                'S-5298'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         '5537e79d-bb65-40b6-85e6-b070211391ed'
'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'                 'b01023b0-9857-4ac5-9c92-21d4d07e6bf2'
'TXXX:MusicBrainz Release Track Id'                 '0561e192-2cfd-3594-9f39-940958330fca'
'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', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1973'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '2'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.619689'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'303c4837-7721-4338-b816-158b3db4dec7')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1973 - Last Tango In Paris/10 - Midnight Rhapsody.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  406
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  16303598
                                           'mtime'  1621705536
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1973 In electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Last Tango in Paris and Other Songs of Love
                                       'tag_title'  Midnight Rhapsody
                                             'bpm'  142.7
                                    'search_title'  'midnight':1 'rhapsody':2
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'and':5 'in':3 'last':1 'love':9 'of':8 'other':6 'paris':4 'songs':7 'tango':2
                                     'search_rest'  '1973':6 'country':4 'easy':12 'electronic':8 'exotica':2 'generic':9 'in':7 'jazz':1 'listening':13 'oldies':3 'or':10 'radio':11 'the':5
                                    'search_combo'  '101':3B '1973':20 'and':10C 'country':18 'easy':26 'electronic':22 'exotica':16 'generic':23 'in':8C,21 'jazz':15 'last':6C 'listening':27 'love':14C 'midnight':1A 'of':13C 'oldies':17 'or':24 'orchestra':5B 'other':11C 'paris':9C 'radio':25 'rhapsody':2A 'songs':12C 'strings':4B 'tango':7C 'the':19
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-2', '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', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705536.2787118  (2021-05-22 19:45:36)
                             'size'  16303598