======================== unified (from filesystem) ========================
                                         'bitrate'  '131.186'
                                        'duration'  '477'
                                          'artist'  'Yoshiki'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Blue and Blind'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['classical', 'japanese', 'instrumental', 'j-rock', 'visual kei']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-visualkei'
                                             'bpm'  '140.238'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.238'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-visualkei']
'TIT2' (Title/songname/content description)         'Blue and Blind'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoshiki'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'japanese', 'instrumental', 'j-rock', 'visual kei']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.612284'

========================== row from database ==========================
                                              'id'  1208405
                                            'path'  /data/Music/Bulk/0soundtrack/Yoshiki/[128] Violent UK/Yoshiki - Blue And Blind.mp3
                                         'working'  None
                                         'bitrate'  131
                                    'duration_sec'  477
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-visualkei
                                        'filesize'  7834025
                                           'mtime'  1620647551
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [128] Violent UK And loc asia japan;loc asia japan jrock visualkei
                                      'tag_artist'  Yoshiki
                                     'tag_release'  None
                                       'tag_title'  Blue and Blind
                                             'bpm'  140.238
                                    'search_title'  'and':2 'blind':3 'blue':1
                                   'search_artist'  'yoshiki':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 '128':2,3 'and':6 'asia':8 'japan':9,11,13 'jrock':14 'loc':7,10,12 'uk':5 'violent':4 'visualkei':15
                                    'search_combo'  '0soundtrack':5 '128':6,7 'and':2A,10 'asia':12 'blind':3A 'blue':1A 'japan':13,15,17 'jrock':18 'loc':11,14,16 'uk':9 'violent':8 'visualkei':19 'yoshiki':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['classical', 'japanese', 'instrumental', 'j-rock', 'visual kei']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647551.3068318  (2021-05-10 13:52:31)
                             'size'  7834025