======================== unified (from filesystem) ========================
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                                        'duration'  '159'
                                          'artist'  '101 Strings Orchestra'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '20'
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '115.9'
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'TDOR' (Original release time)                      '1983'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         "We'll Sing in the Sunshine"
'TKEY' (Initial key)                                '3B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
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'TRCK' (Track number/Position in set)               '13/20'
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'TSOP' (Performer sort order)                       '101 Strings'
'TSST' (Set subtitle)                               'Noon'
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'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1983'
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'TXXX:replaygain_track_gain'                        '-0.34 dB'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/1983 - The Most Beautiful Romantic Melodies/Record 2/13 - We_ll Sing In The Sunshine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  159
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6386332
                                           'mtime'  1621705507
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1983 Record 2 13 We_ll In electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  The Most Beautiful Romantic Melodies
                                       'tag_title'  We'll Sing in the Sunshine
                                             'bpm'  115.9
                                    'search_title'  'in':5 'll':2 'sing':4 'sunshine':7 'the':6 'we':1 'well':3
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'beautiful':3 'melodies':5 'most':2 'romantic':4 'the':1
                                     'search_rest'  '1983':5 '2':7 'country':4 'easy':15 'electronic':11 'exotica':2 'generic':12 'in':10 'jazz':1 'listening':16 'll':9 'oldies':3 'or':13 'radio':14 'record':6 'we':8
                                    'search_combo'  '101':8B '1983':20 '2':22 'beautiful':13C 'country':19 'easy':30 'electronic':26 'exotica':17 'generic':27 'in':5A,25 'jazz':16 'listening':31 'll':2A,24 'melodies':15C 'most':12C 'oldies':18 'or':28 'orchestra':10B 'radio':29 'record':21 'romantic':14C 'sing':4A 'strings':9B 'sunshine':7A 'the':6A,11C 'we':1A,23 'well':3A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3B
                                           '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-3']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705506.731749  (2021-05-22 19:45:06)
                             'size'  6386332