======================== unified (from filesystem) ========================
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                                        'duration'  '136'
                                          'artist'  '101 Strings Orchestra, Rudolf Friml'
                                     'text_people'  'Rudolf Friml'
                                         'release'  '101 Strings Play the Sugar and Spice of Rudolph Friml'
                                           'title'  'Workout for Strings'
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                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '137.3'
                                             'key'  '9B'
                                        'acoustid'  '228c9112-0d35-4cf0-940c-29f2f307f88e'
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======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     '101 Strings Play the Sugar and Spice of Rudolph Friml'
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'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1959'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Workout for Strings'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra, Rudolf Friml'
'TPE3' (Conductor/performer refinement)             'Rudolf Friml'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Somerset Entertainment Ltd.'
'TRCK' (Track number/Position in set)               '3/9'
'TSO2'                                              '101 Strings, Friml, Rudolf'
'TSOP' (Performer sort order)                       '101 Strings'
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'TXXX:MusicBrainz Album Release Country'            'US'
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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-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1959'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.600509'
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========================== row from database ==========================
                                              'id'  1479532
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1962 - The Sugar And Spice Of Rudolph Friml/03 - Workout For Strings.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  5479945
                                           'mtime'  1621705522
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1962 The And Of 03 For electronic generic radio easy listening
                                      'tag_artist'  101 Strings Orchestra, Rudolf Friml
                                     'tag_release'  101 Strings Play the Sugar and Spice of Rudolph Friml
                                       'tag_title'  Workout for Strings
                                             'bpm'  137.3
                                    'search_title'  'for':2 'strings':3 'workout':1
                                   'search_artist'  '101':1 'friml':6 'orchestra':3,4 'rudolf':5 'strings':2
                                  'search_release'  '101':1 'and':6 'friml':10 'of':8 'play':3 'rudolph':9 'spice':7 'strings':2 'sugar':5 'the':4
                                     'search_rest'  '1962':6 'and':7 'country':4 'easy':13 'electronic':10 'exotica':2 'for':9 'generic':11 'jazz':1 'listening':14 'of':8 'oldies':3 'radio':12 'the':5
                                    'search_combo'  '101':4B,10C '1962':25 'and':15C,26 'country':23 'easy':32 'electronic':29 'exotica':21 'for':2A,28 'friml':9B,19C 'generic':30 'jazz':20 'listening':33 'of':17C,27 'oldies':22 'orchestra':6B,7B 'play':12C 'radio':31 'rudolf':8B 'rudolph':18C 'spice':16C 'strings':3A,5B,11C 'sugar':14C 'the':13C,24 'workout':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9B
                                           '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'  []
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705522.384249  (2021-05-22 19:45:22)
                             'size'  5479945