======================== unified (from filesystem) ========================
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                                        'duration'  '418'
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                                           'title'  'back 2 back (dorfmeister vs. mdla mix)'
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                                      'lastfmtags'  ("['trip hop', 'electronica', 'electronic', 'acid jazz', 'downtempo', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '124.698'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'richard dorfmeister vs. madrid de los austrias - grand slam [gscd027]'
'TBPM' (BPM (beats per minute))                     '124.698'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'back 2 back (dorfmeister vs. mdla mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'pressure drop'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['trip hop', 'electronica', 'electronic', 'acid jazz', 'downtempo', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
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========================== row from database ==========================
                                              'id'  787611
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lounge/Dorfmeister, Richard/Grand Slam/06-pressure_drop--back_2_back_(dorfmeister_vs._mdla_mix).mp3
                                         'working'  None
                                         'bitrate'  229
                                    'duration_sec'  418
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  12042240
                                           'mtime'  1620532084
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lounge Dorfmeister, Richard Grand Slam 06 pressure_drop back_2_back_(dorfmeister_vs._mdla_mix) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  pressure drop
                                     'tag_release'  richard dorfmeister vs. madrid de los austrias - grand slam [gscd027]
                                       'tag_title'  back 2 back (dorfmeister vs. mdla mix)
                                             'bpm'  124.698
                                    'search_title'  '2':2 'back':1 'dorfmeister':3,4 'mdla':7 'mix':8,9 'vs':5,6
                                   'search_artist'  'drop':2 'pressure':1
                                  'search_release'  'austrias':8 'de':6 'dorfmeister':2 'grand':9 'gscd027':11,12 'los':7 'madrid':5 'richard':1 'slam':10 'vs':3,4
                                     'search_rest'  '2':14,21 'back':13,15,20,22 'bossa':29 'country':4 'dorfmeister':6,7,16,23 'drop':12 'exotica':2 'grand':9 'jazz':1 'jb':28 'lounge':5 'mdla':18,25 'mix':19,26 'oldies':3 'prerock':27 'pressure':11 'richard':8 'slam':10 'vs':17,24
                                    'search_combo'  '2':2A,37,44 'austrias':19C 'back':1A,36,38,43,45 'bossa':52 'country':27 'de':17C 'dorfmeister':3A,4A,13C,29,30,39,46 'drop':11B,35 'exotica':25 'grand':20C,32 'gscd027':22C,23C 'jazz':24 'jb':51 'los':18C 'lounge':28 'madrid':16C 'mdla':7A,41,48 'mix':8A,9A,42,49 'oldies':26 'prerock':50 'pressure':10B,34 'richard':12C,31 'slam':21C,33 'vs':5A,6A,14C,15C,40,47
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trip hop', 'electronica', 'electronic', 'acid jazz', 'downtempo', 'chillout']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532083.960402  (2021-05-09 05:48:03)
                             'size'  12042240