======================== unified (from filesystem) ========================
                                         'bitrate'  '210.839'
                                        'duration'  '265'
                                          'artist'  'David Guetta & Avicii'
                                     'text_people'  ''
                                         'release'  'Kaskade - Essential Mix (2011-09-10)'
                                           'title'  'Sunshine'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['dance', 'house', 'electronic', 'club', 'techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.008'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kaskade - Essential Mix (2011-09-10)'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Sunshine'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'David Guetta & Avicii'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronic', 'club', 'techno']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.18 dB'
'TXXX:replaygain_track_peak'                        '0.481543'

========================== row from database ==========================
                                              'id'  1407131
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/essential mix/Kaskade - Essential Mix (2011-09-10)/16 - David Guetta & Avicii - Sunshine.mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  265
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  7009553
                                           'mtime'  1621695907
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat essential mix 16 electronic generic or radio dance
                                      'tag_artist'  David Guetta & Avicii
                                     'tag_release'  Kaskade - Essential Mix (2011-09-10)
                                       'tag_title'  Sunshine
                                             'bpm'  128.008
                                    'search_title'  'sunshine':1
                                   'search_artist'  'avicii':3 'david':1 'guetta':2
                                  'search_release'  '09':5 '10':6 '2011':4 '20110910':7 'essential':2 'kaskade':1 'mix':3
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':7 'essential':5 'generic':2 'mix':6 'or':8 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':12 '09':9C '10':10C '2011':8C '20110910':11C 'avicii':4B 'dance':14 'david':2B 'electronic':18 'essential':6C,16 'generic':13 'guetta':3B 'kaskade':5C 'mix':7C,17 'or':19 'radio':20 'sunshine':1A 'trapbeat':15
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronic', 'club', 'techno']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695907.0323982  (2021-05-22 17:05:07)
                             'size'  7009553