======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '360'
                                          'artist'  'Ed Rush & Optical'
                                     'text_people'  ''
                                         'release'  'The Original Doctor Shade'
                                           'title'  'Why?'
                                           '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-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'neurofunk', 'drum n bass', 'jungle', 'dnb']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '87.521'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Original Doctor Shade'
'TBPM' (BPM (beats per minute))                     '87.521'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Why?'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ed Rush & Optical'
'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', 'drum n bass']
'TXXX:lastfmtags'                                   ['drum and bass', 'neurofunk', 'drum n bass', 'jungle', 'dnb']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.27 dB'
'TXXX:replaygain_track_peak'                        '0.413402'

========================== row from database ==========================
                                              'id'  1310334
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Ed Rush & Optical/The Original Doctor Shade__01 - Ed Rush & Optical - Why_.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  360
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  8660471
                                           'mtime'  1621696531
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Shade__01 Why_ electronic th breakbeat dnb jungle
                                      'tag_artist'  Ed Rush & Optical
                                     'tag_release'  The Original Doctor Shade
                                       'tag_title'  Why?
                                             'bpm'  87.521
                                    'search_title'  'why':1
                                   'search_artist'  'ed':1 'optical':3 'rush':2
                                  'search_release'  'doctor':3 'original':2 'shade':4 'the':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '01':4 'breakbeat':8 'dnb':9 'electronic':6 'jungle':10 'shade':3 'th':7 'why':5
                                    'search_combo'  '00dnb':10 '00poprockelectronic':9 '01':12 'breakbeat':16 'dnb':17 'doctor':7C 'ed':2B 'electronic':14 'jungle':18 'optical':4B 'original':6C 'rush':3B 'shade':8C,11 'th':15 'the':5C 'why':1A,13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'neurofunk', 'drum n bass', 'jungle', 'dnb']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696530.6718094  (2021-05-22 17:15:30)
                             'size'  8660471