======================== unified (from filesystem) ========================
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                                        'duration'  '168'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
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                                           'title'  'Where the Blue of the Night'
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                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '10'
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '136.1'
                                             'key'  '1A'
                                        'acoustid'  '397552a4-a123-4e36-ae68-d2422024211d'
rest: ''

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'TBPM' (BPM (beats per minute))                     '136.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1978'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Where the Blue of the Night'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '169066'
'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)               '1/10'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
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'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1978'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1978 - 101 Strings Play a Tribute to Bing Crosby/01 - Where The Blue Of The Night.mp3
                                         'working'  None
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                                    'duration_sec'  168
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  4055198
                                           'mtime'  1621705541
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1978 The Of The electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Play a Tribute to Bing Crosby
                                       'tag_title'  Where the Blue of the Night
                                             'bpm'  136.1
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                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'a':2 'bing':5 'crosby':6 'play':1 'to':4 'tribute':3
                                     'search_rest'  '1978':6 'country':4 'easy':12 'electronic':8 'exotica':2 'generic':9 'jazz':1 'listening':13 'of':7 'oldies':3 'or':10 'radio':11 'the':5
                                    'search_combo'  '101':6B '1978':20 'a':10C 'bing':13C 'blue':3A 'country':18 'crosby':14C 'easy':26 'electronic':22 'exotica':16 'generic':23 'jazz':15 'listening':27 'night':5A 'of':4A,21 'oldies':17 'or':24 'orchestra':8B 'play':9C 'radio':25 'strings':7B 'the':2A,19 'to':12C 'tribute':11C 'where':1A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-2']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
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                             'size'  4055198