======================== unified (from filesystem) ========================
                                         'bitrate'  '320.007'
                                        'duration'  '482'
                                          'artist'  'Wolfgang Gartner'
                                     'text_people'  ''
                                         'release'  'OurElectricGeneration.com'
                                           'title'  'Clap'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['progressive house', 'house', 'electro', 'electronic', 'electro house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '128.008'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '[Visit pctrecords]'
'TALB' (Album/Movie/Show title)                     'OurElectricGeneration.com'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Clap'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Wolfgang Gartner'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['progressive house', 'house', 'electro', 'electronic', 'electro house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.32 dB'
'TXXX:replaygain_track_peak'                        '0.501809'
'USLT:Converted from Lyrics3 v2.00:XXX'             ' '

========================== row from database ==========================
                                              'id'  1347227
                                            'path'  /data/Music/Bulk/00poprockelectronic/Wolfgang Gartner/Wolfgang Gartner - Clap (Original Mix)[Visit pctrecords].mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  482
                                           'genre'  electronic-unsorted
                                        'filesize'  19292159
                                           'mtime'  1620573498
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (Original Mix)[Visit pctrecords] electronic unsorted
                                      'tag_artist'  Wolfgang Gartner
                                     'tag_release'  OurElectricGeneration.com
                                       'tag_title'  Clap
                                             'bpm'  128.008
                                    'search_title'  'clap':1
                                   'search_artist'  'gartner':2 'wolfgang':1
                                  'search_release'  'com':2,7 'electric':5 'generation':6 'generationcom':8 'our':4 'ourelectricgeneration':1 'ourelectricgenerationcom':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'mix':4 'mixvisit':6 'original':2,3 'pctrecords':7,8 'unsorted':10 'visit':5
                                    'search_combo'  '00poprockelectronic':12 'clap':1A 'com':5C,10C 'electric':8C 'electronic':20 'gartner':3B 'generation':9C 'generationcom':11C 'mix':15 'mixvisit':17 'original':13,14 'our':7C 'ourelectricgeneration':4C 'ourelectricgenerationcom':6C 'pctrecords':18,19 'unsorted':21 'visit':16 'wolfgang':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'house', 'electro', 'electronic', 'electro house']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573497.94859  (2021-05-09 17:18:17)
                             'size'  19292159