======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '219'
                                          'artist'  'Industry'
                                     'text_people'  ''
                                         'release'  'Легенды Ретро FM Зарубежная Дискотека 90х'
                                           'title'  ' State Of The Nation'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['new wave', 'synthpop', '80s', 'swedish', 'irish']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '57'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '85.4'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '057'
'TALB' (Album/Movie/Show title)                     'Легенды Ретро FM Зарубежная Дискотека 90х'
'TBPM' (BPM (beats per minute))                     '85.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         ' State Of The Nation'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Industry'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '57'
'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:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['new wave', 'synthpop', '80s', 'swedish', 'irish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.37 dB'
'TXXX:replaygain_track_peak'                        '0.619805'

========================== row from database ==========================
                                              'id'  1331358
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Richenel - Diskoteka_Retro_90_Zar/057 Industry - State Of The Nation.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  219
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6153518
                                           'mtime'  1620610441
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Richenel Diskoteka_Retro_90_Zar 057 electronic we disco or italo
                                      'tag_artist'  Industry
                                     'tag_release'  Легенды Ретро FM Зарубежная Дискотека 90х
                                       'tag_title'   State Of The Nation
                                             'bpm'  85.4
                                    'search_title'  'nation':4 'of':2 'state':1 'the':3
                                   'search_artist'  'industry':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':20 '00poprockelectronic':17 '90':25 '90x':16C '90х':15C 'disco':19 'diskoteka':14C,23 'electronic':27 'fm':10C 'industry':5B 'italo':21 'legendy':7C 'nation':4A 'of':2A 'or':29 'retro':9C,24 'richenel':22 'state':1A 'the':3A 'waves':18 'we':28 'zar':26 'zharubezhnaya':12C 'дискотека':13C 'зарубежная':11C 'легенды':6C 'ретро':8C
                                    'tag_tracknum'  57
                                      'num_images'  0
                                             'key'  2B
                                           '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-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['new wave', 'synthpop', '80s', 'swedish', 'irish']
                                        'tag_date'  1995
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620610440.7664146  (2021-05-10 03:34:00)
                             'size'  6153518