======================== unified (from filesystem) ========================
                                         'bitrate'  '189.425'
                                        'duration'  '425'
                                          'artist'  'Nada'
                                     'text_people'  ''
                                         'release'  'Butterfly Dawn'
                                           'title'  'Raja Mati'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['psychill', 'female vocalists', 'punk', 'ambient', 'chillout', 'italian']"
                                     'discogstags'  "['electronic', 'goa trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-psychill'
                                             'bpm'  '111.8'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:no@email'                                     POPM(email='no@email', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Butterfly Dawn'
'TBPM' (BPM (beats per minute))                     '111.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-psychill'
'TDRC' (Recording time)                             '2003'
'TIT1' (Content group description)                  '4'
'TIT2' (Title/songname/content description)         'Raja Mati'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nada'
'TRCK' (Track number/Position in set)               '3'
'TXXX:DATE'                                         '2003'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'goa trance']
'TXXX:lastfmtags'                                   ['psychill', 'female vocalists', 'punk', 'ambient', 'chillout', 'italian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.98 dB'
'TXXX:replaygain_track_peak'                        '0.669868'

========================== row from database ==========================
                                              'id'  1328846
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chronos - chillout-dub/nada - raja mati.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  425
                                           'genre'  electronic-psychill
                                        'filesize'  10185716
                                           'mtime'  1636912638
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chronos chillout dub nada raja mati electronic psychill
                                      'tag_artist'  Nada
                                     'tag_release'  Butterfly Dawn
                                       'tag_title'  Raja Mati
                                             'bpm'  111.8
                                    'search_title'  'mati':2 'raja':1
                                   'search_artist'  'nada':1
                                  'search_release'  'butterfly':1 'dawn':2
                                     'search_rest'  '00poprockelectronic':1 'chillout':3 'chronos':2 'dub':4 'electronic':8 'mati':7 'nada':5 'psychill':9 'raja':6
                                    'search_combo'  '00poprockelectronic':6 'butterfly':4C 'chillout':8 'chronos':7 'dawn':5C 'dub':9 'electronic':13 'mati':2A,12 'nada':3B,10 'psychill':14 'raja':1A,11
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychill', 'female vocalists', 'punk', 'ambient', 'chillout', 'italian']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'goa trance']

============================== file details ==============================
                                           'mtime'  1636912638.1017268  (2021-11-14 18:57:18)
                             'size'  10185716