======================== unified (from filesystem) ========================
                                         'bitrate'  '209.585'
                                        'duration'  '243'
                                          'artist'  'Miko Mission'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'How Old Are You'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'italo disco', 'italo', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '112.947'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'How Old Are You'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Miko Mission'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['80s', 'dance', 'italo disco', 'italo', 'disco']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.52 dB'
'TXXX:replaygain_track_peak'                        '0.612229'

========================== row from database ==========================
                                              'id'  1418587
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/103_miko_mission_-_how_old_are_you.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  243
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6385165
                                           'mtime'  1620607715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco 103_miko_mission_ _how_old_are_you electronic we disco or
                                      'tag_artist'  Miko Mission
                                     'tag_release'  miscitalo
                                       'tag_title'  How Old Are You
                                             'bpm'  112.947
                                    'search_title'  'are':3 'how':1 'old':2 'you':4
                                   'search_artist'  'miko':1 'mission':2
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '103':5 'are':10 'disco':3 'electronic':12 'how':8 'miko':6 'mission':7 'old':9 'or':14 'waves':2 'we':13 'you':11
                                    'search_combo'  '00disco':11 '00poprockelectronic':8 '103':12 'are':3A,17 'disco':10 'electronic':19 'how':1A,15 'miko':5B,13 'miscitalo':7C 'mission':6B,14 'old':2A,16 'or':21 'waves':9 'we':20 'you':4A,18
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', 'italo disco', 'italo', 'disco']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620607714.999225  (2021-05-10 02:48:34)
                             'size'  6385165