======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '7200'
                                          'artist'  'Pendulum'
                                     'text_people'  ''
                                         'release'  'Essential Mix '
                                           'title'  'Essential Mix'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronica', 'drum and bass', 'dnb', 'electronic', 'drum n bass']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '87.069'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Essential Mix '
'TBPM' (BPM (beats per minute))                     '87.069'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Essential Mix'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pendulum'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'drum and bass', 'dnb', 'electronic', 'drum n bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.86 dB'
'TXXX:replaygain_track_peak'                        '0.589539'

========================== row from database ==========================
                                              'id'  1402953
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/essential mix/Pendulum - Essential mix - 17-07-2010.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  7200
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  230408276
                                           'mtime'  1621696417
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat essential mix mix 17 07 2010 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Pendulum
                                     'tag_release'  Essential Mix 
                                       'tag_title'  Essential Mix
                                             'bpm'  87.069
                                    'search_title'  'essential':1 'mix':2
                                   'search_artist'  'pendulum':1
                                  'search_release'  'essential':1 'mix':2
                                     'search_rest'  '00poprockelectronic':1 '2010':7 'breakbeat':10 'dance':3 'dnb':12 'electronic':8 'essential':5 'generic':2 'jungle':13 'mix':6 'or':11 'th':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':6 '2010':12 'breakbeat':15 'dance':8 'dnb':17 'electronic':13 'essential':1A,4C,10 'generic':7 'jungle':18 'mix':2A,5C,11 'or':16 'pendulum':3B 'th':14 'trapbeat':9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'drum and bass', 'dnb', 'electronic', 'drum n bass']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696416.811716  (2021-05-22 17:13:36)
                             'size'  230408276