======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '201'
                                          'artist'  'Smoke City'
                                     'text_people'  ''
                                         'release'  'Flying Away'
                                           'title'  'Agavas De Marco'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', '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-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['downtempo', 'female vocalists', 'trip hop', 'chillout', 'electronic']"
                                     'discogstags'  "['electronic', 'latin', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '137.9'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Flying Away'
'TBPM' (BPM (beats per minute))                     '137.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Agavas De Marco'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Smoke City'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'latin', 'downtempo']
'TXXX:lastfmtags'                                   ['downtempo', 'female vocalists', 'trip hop', 'chillout', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.423297'

========================== row from database ==========================
                                              'id'  1474059
                                            'path'  /data/Music/Bulk/00poprockelectronic/Smoke City/Flying Away/06 - Smoke City - Agavas De Marco.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  201
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4855958
                                           'mtime'  1636911421
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Smoke City
                                     'tag_release'  Flying Away
                                       'tag_title'  Agavas De Marco
                                             'bpm'  137.9
                                    'search_title'  'agavas':1 'de':2 'marco':3
                                   'search_artist'  'city':2 'smoke':1
                                  'search_release'  'away':2 'flying':1
                                     'search_rest'  '00poprockelectronic':1 'acid':7 'downtempo':6 'electronic':2 'hop':4 'jazz':8 'or':5 'trip':3
                                    'search_combo'  '00poprockelectronic':8 'acid':14 'agavas':1A 'away':7C 'city':5B 'de':2A 'downtempo':13 'electronic':9 'flying':6C 'hop':11 'jazz':15 'marco':3A 'or':12 'smoke':4B 'trip':10
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'female vocalists', 'trip hop', 'chillout', 'electronic']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'latin', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636911421.443246  (2021-11-14 18:37:01)
                             'size'  4855958