======================== unified (from filesystem) ========================
                                         'bitrate'  '174.696'
                                        'duration'  '213'
                                          'artist'  'Anson Funderburgh & Sam Myers'
                                     'text_people'  ''
                                         'release'  'Blues Busters Vol. 2'
                                           'title'  'My Love Is Here To Stay'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'q-syn-1', 'q-bass-3', "
 "'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '132.357'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Blues Busters Vol. 2'
'TBPM' (BPM (beats per minute))                     '132.357'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'My Love Is Here To Stay'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anson Funderburgh & Sam Myers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   'blues'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.618208'

========================== row from database ==========================
                                              'id'  786058
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Blues Busters, Vol. 2/Anson Funderburgh & Sam Myers - My Love is Here to Stay.mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  213
                                           'genre'  loc-namerica-country
                                        'filesize'  4661120
                                           'mtime'  1621627927
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Busters, is to loc namerica country
                                      'tag_artist'  Anson Funderburgh & Sam Myers
                                     'tag_release'  Blues Busters Vol. 2
                                       'tag_title'  My Love Is Here To Stay
                                             'bpm'  132.357
                                    'search_title'  'here':4 'is':3 'love':2 'my':1 'stay':6 'to':5
                                   'search_artist'  'anson':1 'funderburgh':2 'myers':4 'sam':3
                                  'search_release'  '2':5 'blues':1 'busters':2 'vol':3,4
                                     'search_rest'  'busters':5,6 'country':4 'exotica':2 'is':7 'jazz':1 'loc':9 'namerica':10 'oldies':3 'to':8
                                    'search_combo'  '2':15C 'anson':7B 'blues':11C 'busters':12C,20,21 'country':19 'exotica':17 'funderburgh':8B 'here':4A 'is':3A,22 'jazz':16 'loc':24 'love':2A 'my':1A 'myers':10B 'namerica':25 'oldies':18 'sam':9B 'stay':6A 'to':5A,23 'vol':13C,14C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627926.5027792  (2021-05-21 22:12:06)
                             'size'  4661120