======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '259'
                                          'artist'  'Kavinsky'
                                     'text_people'  ''
                                         'release'  'Nightcall'
                                           'title'  'Nightcall'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'ed banger', 'electro', 'electronic', 'french']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '91.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         ('000015D2 000017A4 000110C8 0001215A 0000E3C1 0000E3C1 00008000 00008000 '
 '00002DCE 00002DCE')
'POPM:no@email'                                     POPM(email='no@email', rating=186, count=0)
'TALB' (Album/Movie/Show title)                     'Nightcall'
'TBPM' (BPM (beats per minute))                     '91.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TIT2' (Title/songname/content description)         'Nightcall'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kavinsky'
'TPE2' (Band/orchestra/accompaniment)               'Kavinsky'
'TPUB' (Publisher)                                  'Record Makers'
'TRCK' (Track number/Position in set)               '01'
'TXXX:DATE'                                         '2010'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'ed banger', 'electro', 'electronic', 'french']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.390340'

========================== row from database ==========================
                                              'id'  1345830
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Kavinsky - Nightcall 2010/01_Kavinsky - Nightcall.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  259
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  6276294
                                           'mtime'  1621630060
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop 2010 01_Kavinsky electronic we electropop or synthpop
                                      'tag_artist'  Kavinsky
                                     'tag_release'  Nightcall
                                       'tag_title'  Nightcall
                                             'bpm'  91.1
                                    'search_title'  'nightcall':1
                                   'search_artist'  'kavinsky':1
                                  'search_release'  'nightcall':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 '01':6 '2010':5 'electronic':8 'electropop':3 'kavinsky':7 'or':10 'synthpop':4 'we':9
                                    'search_combo'  '00electro':5 '00poprockelectronic':4 '01':9 '2010':8 'electronic':11 'electropop':6 'kavinsky':2B,10 'nightcall':1A,3C 'or':13 'synthpop':7 'we':12
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'ed banger', 'electro', 'electronic', 'french']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621630059.543181  (2021-05-21 22:47:39)
                             'size'  6276294