======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '442'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-GRIT-3', 'q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '126.0'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '126.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2012'
'TKEY' (Initial key)                                '4A'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'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-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.99 dB'
'TXXX:replaygain_track_peak'                        '0.481022'

========================== row from database ==========================
                                              'id'  1498144
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/electric rescue - i_m a serial killer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  442
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  17696231
                                           'mtime'  1636300943
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ electric rescue i_m serial killer electronic th techno
                                      'tag_artist'  None
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  None
                                             'bpm'  126.0
                                    'search_title'  None
                                   'search_artist'  None
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'electric':3 'electronic':9 'i':5 'killer':8 'm':6 'maleta':2 'rescue':4 'serial':7 'techno':11 'th':10
                                    'search_combo'  '00poprockelectronic':4 'acid':2C 'electric':6 'electronic':12 'i':8 'killer':11 'm':9 'maleta':1C,5 'rave':3C 'rescue':7 'serial':10 'techno':14 'th':13
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'q-piano-1', 'Q-SYN-4', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636300942.9297063  (2021-11-07 17:02:22)
                             'size'  17696231