======================== unified (from filesystem) ========================
                                         'bitrate'  '234.222'
                                        'duration'  '353'
                                          'artist'  'Juvelen'
                                     'text_people'  ''
                                         'release'  '1'
                                           'title'  'A Dream'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'electronica', 'indie', 'electronic', 'pop']"
                                     'discogstags'  "['funk / soul', 'electronic', 'synth-pop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '119.758'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1'
'TBPM' (BPM (beats per minute))                     '119.758'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'A Dream'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Juvelen'
'TRCK' (Track number/Position in set)               '9'
'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'                                  ['funk / soul', 'electronic', 'synth-pop', 'pop']
'TXXX:lastfmtags'                                   ['swedish', 'electronica', 'indie', 'electronic', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.312788'

========================== row from database ==========================
                                              'id'  1341386
                                            'path'  /data/Music/Bulk/00poprockelectronic/Juvelen/09-juvelen-a_dream.mp3
                                         'working'  None
                                         'bitrate'  234
                                    'duration_sec'  353
                                           'genre'  electronic-unsorted
                                        'filesize'  10343730
                                           'mtime'  1637350142
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 juvelen a_dream electronic unsorted
                                      'tag_artist'  Juvelen
                                     'tag_release'  1
                                       'tag_title'  A Dream
                                             'bpm'  119.758
                                    'search_title'  'a':1 'dream':2
                                   'search_artist'  'juvelen':1
                                  'search_release'  '1':1
                                     'search_rest'  '00poprockelectronic':1 'a':3 'dream':4 'electronic':5 'juvelen':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':5 '1':4C 'a':1A,7 'dream':2A,8 'electronic':9 'juvelen':3B,6 'unsorted':10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-2']
                                      'lastfmtags'  ['swedish', 'electronica', 'indie', 'electronic', 'pop']
                                        'tag_date'  2008
                                     'discogstags'  ['funk / soul', 'electronic', 'synth-pop', 'pop']

============================== file details ==============================
                                           'mtime'  1637350142.389273  (2021-11-19 20:29:02)
                             'size'  10343730