======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '3490'
                                          'artist'  'Hybrid'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Maida Vale Live Session On One World'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['breakbeat', 'trance', 'breaks', 'electronica', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '132.444'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.444'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Maida Vale Live Session On One World'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hybrid'
'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'                                   ['breakbeat', 'trance', 'breaks', 'electronica', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.24 dB'
'TXXX:replaygain_track_peak'                        '0.726203'

========================== row from database ==========================
                                              'id'  1358489
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hybrid/Hybrid - Maida Vale Live Session on One World.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  3490
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  83776373
                                           'mtime'  1621696775
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th breakbeat dnb jungle
                                      'tag_artist'  Hybrid
                                     'tag_release'  None
                                       'tag_title'  Maida Vale Live Session On One World
                                             'bpm'  132.444
                                    'search_title'  'live':3 'maida':1 'on':5 'one':6 'session':4 'vale':2 'world':7
                                   'search_artist'  'hybrid':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'breakbeat':4 'dnb':5 'electronic':2 'jungle':6 'th':3
                                    'search_combo'  '00poprockelectronic':9 'breakbeat':12 'dnb':13 'electronic':10 'hybrid':8B 'jungle':14 'live':3A 'maida':1A 'on':5A 'one':6A 'session':4A 'th':11 'vale':2A 'world':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['breakbeat', 'trance', 'breaks', 'electronica', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696775.332416  (2021-05-22 17:19:35)
                             'size'  83776373