======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '191'
                                          'artist'  'rugar'
                                     'text_people'  ''
                                         'release'  'my girl, the princess'
                                           'title'  'a scent of europe'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '145.895'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'www.8bitpeoples.com\r\nwww.rug'
'TALB' (Album/Movie/Show title)                     'my girl, the princess'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'a scent of europe'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'rugar'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.20 dB'
'TXXX:replaygain_track_peak'                        '0.656985'

========================== row from database ==========================
                                              'id'  1381469
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/rugar - 8bp/8bp030-07-rugar-a_scent_of_europe.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  191
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  3063680
                                           'mtime'  1621627784
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy 8bp 8bp030 07 a_scent_of_europe electronic we beeps or chip or pico
                                      'tag_artist'  rugar
                                     'tag_release'  my girl, the princess
                                       'tag_title'  a scent of europe
                                             'bpm'  145.895
                                    'search_title'  'a':1 'europe':4 'of':3 'scent':2
                                   'search_artist'  'rugar':1
                                  'search_release'  'girl':2,3 'my':1 'princess':5 'the':4
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '8bp':3 '8bp030':4 'a':5 'beeps':11 'chip':13 'electronic':9 'europe':8 'of':7 'or':12 'pico':14 'scent':6 'we':10
                                    'search_combo'  '00beepy':12 '00poprockelectronic':11 '8bp':13 '8bp030':14 'a':1A,15 'beeps':21 'chip':23 'electronic':19 'europe':4A,18 'girl':7C,8C 'my':6C 'of':3A,17 'or':22 'pico':24 'princess':10C 'rugar':5B 'scent':2A,16 'the':9C 'we':20
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['8bitpeoples', '8 bit', 'chiptune', '8bit', 'electronic']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627784.0969272  (2021-05-21 22:09:44)
                             'size'  3063680