======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '401'
                                          'artist'  'Andrey Slam'
                                     'text_people'  ''
                                         'release'  'LW Recordings: Underground Sessions (Nu-Disco) (Vol. 05) (2016)'
                                           'title'  'Hello Polly (Original Mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'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-1', 'q-mixbeat-2']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.00'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'LW Recordings: Underground Sessions (Nu-Disco) (Vol. 05) (2016)'
'TBPM' (BPM (beats per minute))                     '120.00'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Hello Polly (Original Mix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Andrey Slam'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.47 dB'
'TXXX:replaygain_track_peak'                        '0.576475'

========================== row from database ==========================
                                              'id'  1340356
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Andrey Slam - Hello Polly (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  401
                                           'genre'  electronic-unsorted
                                        'filesize'  16126098
                                           'mtime'  1620570900
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2015 electronic unsorted
                                      'tag_artist'  Andrey Slam
                                     'tag_release'  LW Recordings: Underground Sessions (Nu-Disco) (Vol. 05) (2016)
                                       'tag_title'  Hello Polly (Original Mix)
                                             'bpm'  120.0
                                    'search_title'  'hello':1 'mix':5,6 'original':3,4 'polly':2
                                   'search_artist'  'andrey':1 'slam':2
                                  'search_release'  '05':11,12 '2016':13,14 'disco':7 'lw':1 'nu':6 'nudisco':8 'recordings':2,3 'sessions':5 'underground':4 'vol':9,10
                                     'search_rest'  '00poprockelectronic':1 '2015':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':23 '05':19C,20C '2015':26 '2016':21C,22C 'andrey':7B 'disco':15C 'electronic':27 'guy':25 'hello':1A 'lw':9C 'marvin':24 'mix':5A,6A 'nu':14C 'nudisco':16C 'original':3A,4A 'polly':2A 'recordings':10C,11C 'sessions':13C 'slam':8B 'underground':12C 'unsorted':28 'vol':17C,18C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570900.1116204  (2021-05-09 16:35:00)
                             'size'  16126098