======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '524'
                                          'artist'  'Pablo Bolivar'
                                     'text_people'  ''
                                         'release'  'The Deep Collection'
                                           'title'  'Looking For A Shape'
                                           'quals'  ("['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-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['minimal techno', 'techno', 'dub techno', 'tech house', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '17'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '121.994'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Deep Collection'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Looking For A Shape'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pablo Bolivar'
'TPE2' (Band/orchestra/accompaniment)               'Pablo Bolivar'
'TRCK' (Track number/Position in set)               '13/17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal techno', 'techno', 'dub techno', 'tech house', 'minimal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.42 dB'
'TXXX:replaygain_track_peak'                        '0.721747'

========================== row from database ==========================
                                              'id'  651122
                                            'path'  /data/Music/Bulk/00localcharacter/Bolivar, Pablo/(2012) The Deep Collection/13. Looking For A Shape.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  524
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  21075470
                                           'mtime'  1620592553
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Bolivar, (2012) 13. electronic th techno minimal deephouse
                                      'tag_artist'  Pablo Bolivar
                                     'tag_release'  The Deep Collection
                                       'tag_title'  Looking For A Shape
                                             'bpm'  121.994
                                    'search_title'  'a':3 'for':2 'looking':1 'shape':4
                                   'search_artist'  'bolivar':2 'pablo':1
                                  'search_release'  'collection':3 'deep':2 'the':1
                                     'search_rest'  '13':5,6 '2012':3,4 'bolivar':1,2 'deephouse':11 'electronic':7 'minimal':10 'techno':9 'th':8
                                    'search_combo'  '13':14,15 '2012':12,13 'a':3A 'bolivar':6B,10,11 'collection':9C 'deep':8C 'deephouse':20 'electronic':16 'for':2A 'looking':1A 'minimal':19 'pablo':5B 'shape':4A 'techno':18 'th':17 'the':7C
                                    'tag_tracknum'  13
                                      '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-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['minimal techno', 'techno', 'dub techno', 'tech house', 'minimal']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620592552.9661307  (2021-05-09 22:35:52)
                             'size'  21075470