======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '243'
                                          'artist'  "O'Jays"
                                     'text_people'  ''
                                         'release'  'Легенды Ретро FM Зарубежная Дискотека 90х'
                                           'title'  ' Used To Be My Girl'
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['soul', 'funk', 'motown', 'philly soul', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '52'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo;set-pl-billboard'
                                             'bpm'  '112.1'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '052'
'TALB' (Album/Movie/Show title)                     'Легенды Ретро FM Зарубежная Дискотека 90х'
'TBPM' (BPM (beats per minute))                     '112.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-disco or italo', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         ' Used To Be My Girl'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               "O'Jays"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '52'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'funk', 'motown', 'philly soul', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.711957'

========================== row from database ==========================
                                              'id'  1509344
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Richenel - Diskoteka_Retro_90_Zar/052 O_Jays - Used To Be My Girl.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  243
                                           'genre'  electronic-we-disco or italo;set-pl-billboard
                                        'filesize'  6827895
                                           'mtime'  1620536949
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Richenel Diskoteka_Retro_90_Zar 052 O_Jays electronic we disco or italo;set pl billboard
                                      'tag_artist'  O'Jays
                                     'tag_release'  Легенды Ретро FM Зарубежная Дискотека 90х
                                       'tag_title'   Used To Be My Girl
                                             'bpm'  112.1
                                    'search_title'  'be':3 'girl':5 'my':4 'to':2 'used':1
                                   'search_artist'  'jays':2 'o':1 'ojays':3
                                  '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 'billboard':21 'disco':3 'diskoteka':7 'electronic':13 'italo':5,16,18 'jays':12 'o':11 'or':15 'pl':20 'retro':8 'richenel':6 'set':17,19 'waves':2 'we':14 'zar':10
                                    'search_combo'  '00disco':23 '00poprockelectronic':20 '90':28 '90x':19C '90х':18C 'be':3A 'billboard':40 'disco':22 'diskoteka':17C,26 'electronic':32 'fm':13C 'girl':5A 'italo':24,35,37 'jays':7B,31 'legendy':10C 'my':4A 'o':6B,30 'ojays':8B 'or':34 'pl':39 'retro':12C,27 'richenel':25 'set':36,38 'to':2A 'used':1A 'waves':21 'we':33 'zar':29 'zharubezhnaya':15C 'дискотека':16C 'зарубежная':14C 'легенды':9C 'ретро':11C
                                    'tag_tracknum'  52
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['soul', 'funk', 'motown', 'philly soul', '70s']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536948.822  (2021-05-09 07:09:08)
                             'size'  6827895