======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '236'
                                          'artist'  'Waikiki Hawaiian Orchestra'
                                     'text_people'  ''
                                         'release'  'Edison 50635 L'
                                           'title'  'Aloha Land'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'all', 'oceania', 'hawaiian', 'the vitamin b12']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1918'
                                        'comments'  ''
                                           'genre'  'loc-islands-hawaii;prerock-unsorted'
                                             'bpm'  '112.508'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Edison 50635 L'
'TBPM' (BPM (beats per minute))                     '112.508'
'TCON' (Content type, a.k.a. Genre)                 ['loc-islands-hawaii', 'prerock-unsorted']
'TDRC' (Recording time)                             '1918'
'TIT2' (Title/songname/content description)         'Aloha Land'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Waikiki Hawaiian Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'all', 'oceania', 'hawaiian', 'the vitamin b12']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.679683'

========================== row from database ==========================
                                              'id'  1453905
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1918/Waikiki Hawaiian Orchestra - Aloha Land 17-6-1918.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  236
                                           'genre'  loc-islands-hawaii;prerock-unsorted
                                        'filesize'  4724336
                                           'mtime'  1621699080
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1918 17 1918 loc islands hawaii;prerock unsorted
                                      'tag_artist'  Waikiki Hawaiian Orchestra
                                     'tag_release'  Edison 50635 L
                                       'tag_title'  Aloha Land
                                             'bpm'  112.508
                                    'search_title'  'aloha':1 'land':2
                                   'search_artist'  'hawaiian':2 'orchestra':3 'waikiki':1
                                  'search_release'  '50635':2 'edison':1 'l':3
                                     'search_rest'  '00oldiepop':5 '1918':6 'country':4 'exotica':2 'hawaii':9,11 'islands':8 'jazz':1 'loc':7 'oldies':3 'prerock':10,12 'unsorted':13
                                    'search_combo'  '00oldiepop':13 '1918':14 '50635':7C 'aloha':1A 'country':12 'edison':6C 'exotica':10 'hawaii':17,19 'hawaiian':4B 'islands':16 'jazz':9 'l':8C 'land':2A 'loc':15 'oldies':11 'orchestra':5B 'prerock':18,20 'unsorted':21 'waikiki':3B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'all', 'oceania', 'hawaiian', 'the vitamin b12']
                                        'tag_date'  1918
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621699079.8026776  (2021-05-22 17:57:59)
                             'size'  4724336