======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '436'
                                          'artist'  'Nova Casa'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Morning Drops'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['classical', 'baroque', 'orchestral', 'instrumental', 'jean-marie leclair']"
                                     'discogstags'  "['electronic', 'deep house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '114.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.FILE_ICON (32x32 pixels file icon) b''
                                     
'TBPM' (BPM (beats per minute))                     '114.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Morning Drops'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nova Casa'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'deep house']
'TXXX:lastfmtags'                                   ['classical', 'baroque', 'orchestral', 'instrumental', 'jean-marie leclair']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.76 dB'
'TXXX:replaygain_track_peak'                        '0.484683'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'www.groovytunes.org')

========================== row from database ==========================
                                              'id'  1296826
                                            'path'  /data/Music/Bulk/00poprockelectronic/deep house/Nova Casa - Morning Drops-www.groovytunes.org.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  436
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  17514959
                                           'mtime'  1621085300
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic deep house www.groovytunes.org electronic th techno minimal deephouse
                                      'tag_artist'  Nova Casa
                                     'tag_release'  None
                                       'tag_title'  Morning Drops
                                             'bpm'  114.9
                                    'search_title'  'drops':2 'morning':1
                                   'search_artist'  'casa':2 'nova':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'deep':2 'deephouse':12 'electronic':8 'groovytunes':5 'house':3 'minimal':11 'org':6 'techno':10 'th':9 'www':4 'wwwgroovytunesorg':7
                                    'search_combo'  '00poprockelectronic':5 'casa':4B 'deep':6 'deephouse':16 'drops':2A 'electronic':12 'groovytunes':9 'house':7 'minimal':15 'morning':1A 'nova':3B 'org':10 'techno':14 'th':13 'www':8 'wwwgroovytunesorg':11
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'baroque', 'orchestral', 'instrumental', 'jean-marie leclair']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'deep house']

============================== file details ==============================
                                           'mtime'  1621085300.3232126  (2021-05-15 15:28:20)
                             'size'  17514959