======================== unified (from filesystem) ========================
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                                        'duration'  '215'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
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                                           'title'  "Shaker's Melody From Appalachian Spring"
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '144.4'
                                             'key'  '11B'
                                        'acoustid'  'f193c47e-3a88-404a-a6f3-24b2a5568ce6'
rest: ''

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

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'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-01-27'
'TIT2' (Title/songname/content description)         "Shaker's Melody From Appalachian Spring"
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'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)                                  'Madacy Records'
'TRCK' (Track number/Position in set)               '13/20'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
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'TXXX:Artists'                                      '101 Strings Orchestra'
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'TXXX:MusicBrainz Album Id'                         '6c7bf351-3511-426d-b6f1-a5e1ed6cc89c'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'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'                                 '2004'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.81 dB'
'TXXX:replaygain_track_peak'                        '0.824618'
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========================== row from database ==========================
                                              'id'  1510604
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/2004 - 20 Spirit of America/13 - Shaker_s Melody From Appalachian Spring.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  215
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  3496518
                                           'mtime'  1621705584
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 2004 13 Shaker_s electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  20 Spirit of America
                                       'tag_title'  Shaker's Melody From Appalachian Spring
                                             'bpm'  144.4
                                    'search_title'  'appalachian':6 'from':5 'melody':4 's':2 'shaker':1 'shakers':3 'spring':7
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  '20':1 'america':4 'of':3 'spirit':2
                                     'search_rest'  '2004':6 'country':4 'easy':13 'electronic':9 'exotica':2 'generic':10 'jazz':1 'listening':14 'oldies':3 'or':11 'radio':12 's':8 'shaker':7 'the':5
                                    'search_combo'  '101':8B '20':11C '2004':20 'america':14C 'appalachian':6A 'country':18 'easy':27 'electronic':23 'exotica':16 'from':5A 'generic':24 'jazz':15 'listening':28 'melody':4A 'of':13C 'oldies':17 'or':25 'orchestra':10B 'radio':26 's':2A,22 'shaker':1A,21 'shakers':3A 'spirit':12C 'spring':7A 'strings':9B 'the':19
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-2']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705583.845673  (2021-05-22 19:46:23)
                             'size'  3496518