======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '154'
                                          'artist'  'Nelson Riddle'
                                     'text_people'  ''
                                         'release'  '101 Strings'
                                           'title'  "Tina's Waltz"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '106.5'
                                             'key'  '7A'
                                        'acoustid'  '505a1e85-0fe2-485f-8fa9-6d380b5a8f49'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         "aka 'Bridge Over Troubled Water'"
'TALB' (Album/Movie/Show title)                     '101 Strings'
'TBPM' (BPM (beats per minute))                     '106.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1984'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         "Tina's Waltz"
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nelson Riddle'
'TPE2' (Band/orchestra/accompaniment)               'Nelson Riddle'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Vogue'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Riddle, Nelson'
'TSOP' (Performer sort order)                       'Riddle, Nelson'
'TXXX:Acoustid Id'                                  '505a1e85-0fe2-485f-8fa9-6d380b5a8f49'
'TXXX:Artists'                                      'Nelson Riddle'
'TXXX:BARCODE'                                      '3072666000684'
'TXXX:CATALOGNUMBER'                                '600068'
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'TXXX:MusicBrainz Album Id'                         '09d1d56c-ea0b-454e-9d0a-01512c83a891'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4308fdc4-7f8a-42f0-aaea-a8b397da5e3c'
'TXXX:MusicBrainz Release Group Id'                 'c95dbf71-2eaa-4fde-9ce1-0c9ab0a88c04'
'TXXX:MusicBrainz Release Track Id'                 'a8a4621b-363a-3e5b-8a73-e9c3940d143c'
'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'                                      '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['lounge', 'instrumental', 'jazz', 'illstreet', 'easy listening']
'TXXX:originalyear'                                 '1984'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.501535'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2a3d7a17-0b29-4a51-88a7-5eb21905295b')

========================== row from database ==========================
                                              'id'  1505122
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1970 - Nelson Riddle Conducts The 101 Strings/05 - Tina_s Waltz.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  154
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6216634
                                           'mtime'  1621705530
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The Orchestra 1970 Conducts The 05 Tina_s electronic generic or radio easy listening
                                      'tag_artist'  Nelson Riddle
                                     'tag_release'  101 Strings
                                       'tag_title'  Tina's Waltz
                                             'bpm'  106.5
                                    'search_title'  's':2 'tina':1 'tinas':3 'waltz':4
                                   'search_artist'  'nelson':1 'riddle':2
                                  'search_release'  '101':1 'strings':2
                                     'search_rest'  '1970':7 'conducts':8 'country':4 'easy':15 'electronic':11 'exotica':2 'generic':12 'jazz':1 'listening':16 'oldies':3 'or':13 'orchestra':6 'radio':14 's':10 'the':5 'tina':9
                                    'search_combo'  '101':7C '1970':15 'conducts':16 'country':12 'easy':23 'electronic':19 'exotica':10 'generic':20 'jazz':9 'listening':24 'nelson':5B 'oldies':11 'or':21 'orchestra':14 'radio':22 'riddle':6B 's':2A,18 'strings':8C 'the':13 'tina':1A,17 'tinas':3A 'waltz':4A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-2', '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-4']
                                      'lastfmtags'  ['lounge', 'instrumental', 'jazz', 'illstreet', 'easy listening']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705529.8821988  (2021-05-22 19:45:29)
                             'size'  6216634