======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '223'
                                          'artist'  'Julia Fordham'
                                     'text_people'  ''
                                         'release'  'Легенды Ретро FM Зарубежная Дискотека 90х'
                                           'title'  ' Happy Ever After'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', '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'  "['singer-songwriter', 'pop', 'female vocalists', 'chill', 'secretagent']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '99'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '98.6'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '099'
'TALB' (Album/Movie/Show title)                     'Легенды Ретро FM Зарубежная Дискотека 90х'
'TBPM' (BPM (beats per minute))                     '98.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         ' Happy Ever After'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Julia Fordham'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '99'
'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'                                   ['singer-songwriter', 'pop', 'female vocalists', 'chill', 'secretagent']
'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'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.540057'

========================== row from database ==========================
                                              'id'  1305528
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Richenel - Diskoteka_Retro_90_Zar/099 Julia Fordham - Happy Ever After.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  223
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6254455
                                           'mtime'  1620610469
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Richenel Diskoteka_Retro_90_Zar 099 electronic we disco italo
                                      'tag_artist'  Julia Fordham
                                     'tag_release'  Легенды Ретро FM Зарубежная Дискотека 90х
                                       'tag_title'   Happy Ever After
                                             'bpm'  98.6
                                    'search_title'  'after':3 'ever':2 'happy':1
                                   'search_artist'  'fordham':2 'julia':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 'retro':8 'richenel':6 'waves':2 'we':12 'zar':10
                                    'search_combo'  '00disco':20 '00poprockelectronic':17 '90':25 '90x':16C '90х':15C 'after':3A 'disco':19 'diskoteka':14C,23 'electronic':27 'ever':2A 'fm':10C 'fordham':5B 'happy':1A 'italo':21 'julia':4B 'legendy':7C 'retro':9C,24 'richenel':22 'waves':18 'we':28 'zar':26 'zharubezhnaya':12C 'дискотека':13C 'зарубежная':11C 'легенды':6C 'ретро':8C
                                    'tag_tracknum'  99
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['singer-songwriter', 'pop', 'female vocalists', 'chill', 'secretagent']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610469.1578062  (2021-05-10 03:34:29)
                             'size'  6254455