======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '246'
                                          'artist'  'Maria Rita'
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  'Cbntico Brasileiro No.3 (Kamaiura)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-LOCALNESS-3', "
 "'Q-JZFKS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bossa nova', 'samba', 'mpb', 'brasil', 'female vocalists', 'brazilian']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-you'
                                             'bpm'  '117.535'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '117.535'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-you'
'TIT2' (Title/songname/content description)         'Cbntico Brasileiro No.3 (Kamaiura)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maria Rita'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['bossa nova', 'samba', 'mpb', 'brasil', 'female vocalists', 'brazilian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.638148'

========================== row from database ==========================
                                              'id'  767612
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/Maria Rita - Cântico Brasileiro No.3 (Kamaiurá).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  246
                                           'genre'  set-pl-you
                                        'filesize'  3950592
                                           'mtime'  1621630335
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes Cântico (Kamaiurá) set pl you
                                      'tag_artist'  Maria Rita
                                     'tag_release'  You
                                       'tag_title'  Cbntico Brasileiro No.3 (Kamaiura)
                                             'bpm'  117.535
                                    'search_title'  '3':4 'brasileiro':2 'cbntico':1 'kamaiura':6,7 'no':3 'no3':5
                                   'search_artist'  'maria':1 'rita':2
                                  'search_release'  'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'cantico':4,5 'kamaiura':6,7,8,9 'pl':11 'set':10 'themes':3 'you':12
                                    'search_combo'  '0novelty':12 '0playlists':11 '3':4A 'brasileiro':2A 'cantico':14,15 'cbntico':1A 'kamaiura':6A,7A,16,17,18,19 'maria':8B 'no':3A 'no3':5A 'pl':21 'rita':9B 'set':20 'themes':13 'you':10C,22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['bossa nova', 'samba', 'mpb', 'brasil', 'female vocalists', 'brazilian']
                                        'tag_date'  
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1621630334.9718192  (2021-05-21 22:52:14)
                             'size'  3950592