======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '602'
                                          'artist'  'Låpsley'
                                     'text_people'  ''
                                         'release'  'Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)'
                                           'title'  "Operator (DJ Koze's 12 Inch Extended Disco Version)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['downtempo', 'lush', 'female vocalists', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '120.00'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)'
'TBPM' (BPM (beats per minute))                     '120.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "Operator (DJ Koze's 12 Inch Extended Disco Version)"
'TKEY' (Initial key)                                '10A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Låpsley'
'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'
'TXXX:lastfmtags'                                   ['downtempo', 'lush', 'female vocalists', 'electronic', 'ambient']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.439618'

========================== row from database ==========================
                                              'id'  1504128
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Låpsley - Operator (DJ Koze_s 12 Inch Extended Disco Version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  602
                                           'genre'  electronic
                                        'filesize'  24139000
                                           'mtime'  1636914182
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 Koze_s electronic
                                      'tag_artist'  Låpsley
                                     'tag_release'  Beatport: Must Hear August 2016 (Indie Dance / Nu Disco)
                                       'tag_title'  Operator (DJ Koze's 12 Inch Extended Disco Version)
                                             'bpm'  120.0
                                    'search_title'  'disco':9 'dj':2,3 'extended':8 'inch':7 'koze':4 'kozes':6 'operator':1 's':5 'version':10,11
                                   'search_artist'  'lapsley':1,2
                                  'search_release'  '2016':6 'august':5 'beatport':1,2 'dance':9 'disco':11,12 'hear':4 'indie':7,8 'must':3 'nu':10
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':7 'guy':3 'koze':5 'marvin':2 's':6
                                    'search_combo'  '00poprockelectronic':26 '2015':29 '2016':19C 'august':18C 'beatport':14C,15C 'dance':22C 'disco':9A,24C,25C 'dj':2A,3A 'electronic':32 'extended':8A 'guy':28 'hear':17C 'inch':7A 'indie':20C,21C 'koze':4A,30 'kozes':6A 'lapsley':12B,13B 'marvin':27 'must':16C 'nu':23C 'operator':1A 's':5A,31 'version':10A,11A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'lush', 'female vocalists', 'electronic', 'ambient']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636914182.4734042  (2021-11-14 19:23:02)
                             'size'  24139000