======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Jimmy Reed'
                                     'text_people'  ''
                                         'release'  '18 Greatest Hits'
                                           'title'  'The Sun Is Shining'
                                           'quals'  ("['Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['harmonica blues', 'blues', 'rhythm and blues', 'classic blues', 'harmonica']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '346'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '111.149'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'TALB' (Album/Movie/Show title)                     '18 Greatest Hits'
'TBPM' (BPM (beats per minute))                     '111.149'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'The Sun Is Shining'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '178808'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimmy Reed'
'TRCK' (Track number/Position in set)               '346'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['harmonica blues', 'blues', 'rhythm and blues', 'classic blues', 'harmonica']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.91 dB'
'TXXX:replaygain_track_peak'                        '0.579037'

========================== row from database ==========================
                                              'id'  1446069
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-346 - Jimmy Reed - The Sun Is Shining.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  prerock-unsorted
                                        'filesize'  7154792
                                           'mtime'  1620387715
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 346 prerock unsorted
                                      'tag_artist'  Jimmy Reed
                                     'tag_release'  18 Greatest Hits
                                       'tag_title'  The Sun Is Shining
                                             'bpm'  111.149
                                    'search_title'  'is':3 'shining':4 'sun':2 'the':1
                                   'search_artist'  'jimmy':1 'reed':2
                                  'search_release'  '18':1 'greatest':2 'hits':3
                                     'search_rest'  '00oldiepop':5 '1957':6 '346':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':14 '18':7C '1957':15 '346':16 'country':13 'exotica':11 'greatest':8C 'hits':9C 'is':3A 'jazz':10 'jimmy':5B 'oldies':12 'prerock':17 'reed':6B 'shining':4A 'sun':2A 'the':1A 'unsorted':18
                                    'tag_tracknum'  346
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['harmonica blues', 'blues', 'rhythm and blues', 'classic blues', 'harmonica']
                                        'tag_date'  1957
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620387714.6986663  (2021-05-07 13:41:54)
                             'size'  7154792