======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '282'
                                          'artist'  'Indeep'
                                     'text_people'  ''
                                         'release'  'Легенды Ретро FM Зарубежная Дискотека 90х'
                                           'title'  ' Last Night A D.J. Saved My Life'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['disco', 'funk', '80s', 'dance', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '31'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '110.2'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '031'
'TALB' (Album/Movie/Show title)                     'Легенды Ретро FM Зарубежная Дискотека 90х'
'TBPM' (BPM (beats per minute))                     '110.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         ' Last Night A D.J. Saved My Life'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Indeep'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '31'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['disco', 'funk', '80s', 'dance', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.918876'

========================== row from database ==========================
                                              'id'  1297334
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Richenel - Diskoteka_Retro_90_Zar/031 Indeep - Last Night A D.J. Saved My Life.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  282
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7916261
                                           'mtime'  1620610414
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Richenel Diskoteka_Retro_90_Zar 031 electronic we disco or italo
                                      'tag_artist'  Indeep
                                     'tag_release'  Легенды Ретро FM Зарубежная Дискотека 90х
                                       'tag_title'   Last Night A D.J. Saved My Life
                                             'bpm'  110.2
                                    'search_title'  'a':3 'd':4 'dj':6 'j':5 'last':1 'life':9 'my':8 'night':2 'saved':7
                                   'search_artist'  'indeep':1
                                  'search_release'  '90x':11 '90х':10 'diskoteka':9 'fm':5 'legendy':2 'retro':4 'zharubezhnaya':7 'дискотека':8 'зарубежная':6 'легенды':1 'ретро':3
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '90':9 'disco':3 'diskoteka':7 'electronic':11 'italo':5 'or':13 'retro':8 'richenel':6 'waves':2 'we':12 'zar':10
                                    'search_combo'  '00disco':25 '00poprockelectronic':22 '90':30 '90x':21C '90х':20C 'a':3A 'd':4A 'disco':24 'diskoteka':19C,28 'dj':6A 'electronic':32 'fm':15C 'indeep':10B 'italo':26 'j':5A 'last':1A 'legendy':12C 'life':9A 'my':8A 'night':2A 'or':34 'retro':14C,29 'richenel':27 'saved':7A 'waves':23 'we':33 'zar':31 'zharubezhnaya':17C 'дискотека':18C 'зарубежная':16C 'легенды':11C 'ретро':13C
                                    'tag_tracknum'  31
                                      'num_images'  0
                                             'key'  12B
                                           '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-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['disco', 'funk', '80s', 'dance', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610413.766532  (2021-05-10 03:33:33)
                             'size'  7916261