======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '444'
                                          'artist'  'The Weeknd'
                                     'text_people'  ''
                                         'release'  'Echoes of silence (official mixtape)'
                                           'title'  'Xo   The Host'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-3']")
                                      'lastfmtags'  "['rnb', 'dubstep', 'electronic', 'prog rnb', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '85.742'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Echoes of silence (official mixtape)'
'TBPM' (BPM (beats per minute))                     '85.742'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Xo   The Host'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Weeknd'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'dubstep', 'electronic', 'prog rnb', 'canadian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.338770'

========================== row from database ==========================
                                              'id'  719405
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/04_The_Weeknd_-_Xo_the_Host-Djleak.com.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  444
                                           'genre'  electronic-unsorted
                                        'filesize'  17774571
                                           'mtime'  1620586560
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 04_The_Weeknd_ _Xo_the_Host Djleak.com electronic unsorted
                                      'tag_artist'  The Weeknd
                                     'tag_release'  Echoes of silence (official mixtape)
                                       'tag_title'  Xo   The Host
                                             'bpm'  85.742
                                    'search_title'  'host':3 'the':2 'xo':1
                                   'search_artist'  'the':1 'weeknd':2
                                  'search_release'  'echoes':1 'mixtape':6,7 'of':2 'official':4,5 'silence':3
                                     'search_rest'  '04':5 'com':12 'djleak':11 'djleakcom':13 'electronic':14 'hiphop':1 'host':10 'rap':2 'rnb':3 'the':6,9 'turntablism':4 'unsorted':15 'weeknd':7 'xo':8
                                    'search_combo'  '04':17 'com':24 'djleak':23 'djleakcom':25 'echoes':6C 'electronic':26 'hiphop':13 'host':3A,22 'mixtape':11C,12C 'of':7C 'official':9C,10C 'rap':14 'rnb':15 'silence':8C 'the':2A,4B,18,21 'turntablism':16 'unsorted':27 'weeknd':5B,19 'xo':1A,20
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'dubstep', 'electronic', 'prog rnb', 'canadian']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586560.323659  (2021-05-09 20:56:00)
                             'size'  17774571