======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '287'
                                          'artist'  'Aki'
                                     'text_people'  ''
                                         'release'  'Italo'
                                           'title'  'Tokio s'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['j pop', 'female vocalists', 'japanese', 'touhou', 'anime', 'electronic']"
                                     'discogstags'  "['italo-disco', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '117.3'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Italo'
'TBPM' (BPM (beats per minute))                     '117.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Tokio s'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aki'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['italo-disco', 'electronic']
'TXXX:lastfmtags'                                   ['j pop', 'female vocalists', 'japanese', 'touhou', 'anime', 'electronic']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.329203'

========================== row from database ==========================
                                              'id'  1332943
                                            'path'  /data/Music/Bulk/00poprockelectronic/Italo/Aki - Tokio S.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  287
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  11515736
                                           'mtime'  1620569857
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic S electronic we disco or italo
                                      'tag_artist'  Aki
                                     'tag_release'  Italo
                                       'tag_title'  Tokio s
                                             'bpm'  117.3
                                    'search_title'  's':2 'tokio':1
                                   'search_artist'  'aki':1
                                  'search_release'  'italo':1
                                     'search_rest'  '00poprockelectronic':1 'disco':5 'electronic':3 'italo':7 'or':6 's':2 'we':4
                                    'search_combo'  '00poprockelectronic':5 'aki':3B 'disco':9 'electronic':7 'italo':4C,11 'or':10 's':2A,6 'tokio':1A 'we':8
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', '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-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['j pop', 'female vocalists', 'japanese', 'touhou', 'anime', 'electronic']
                                        'tag_date'  2001
                                     'discogstags'  ['italo-disco', 'electronic']

============================== file details ==============================
                                           'mtime'  1620569856.627957  (2021-05-09 16:17:36)
                             'size'  11515736