======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '294'
                                          'artist'  'Jinkaku Radio'
                                     'text_people'  ''
                                         'release'  'Akui [maxi-single]'
                                           'title'  'Akui'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['angura kei', 'visual kei', 'j-rock', 'japanese', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;loc-asia-japan'
                                             'bpm'  '110.422'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Akui [maxi-single]'
'TBPM' (BPM (beats per minute))                     '110.422'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'loc-asia-japan']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Akui'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jinkaku Radio'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['angura kei', 'visual kei', 'j-rock', 'japanese', 'rock']
'TXXX:other'                                        '01'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.363677'

========================== row from database ==========================
                                              'id'  306610
                                            'path'  /data/Music/Bulk/00localcharacter/Jinkaku Radio/(2005.12.04) (single) Akui/01 - Akui.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  294
                                           'genre'  loc-asia-japan-jrock-visualkei;loc-asia-japan
                                        'filesize'  11776101
                                           'mtime'  1638545265
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (2005.12.04) (single) 01 loc asia japan jrock visualkei;loc asia japan
                                      'tag_artist'  Jinkaku Radio
                                     'tag_release'  Akui [maxi-single]
                                       'tag_title'  Akui
                                             'bpm'  110.422
                                    'search_title'  'akui':1
                                   'search_artist'  'jinkaku':1 'radio':2
                                  'search_release'  'akui':1 'maxi':2 'maxisingle':4 'single':3
                                     'search_rest'  '04':3 '12':2 '2005':1 '20051204':4 'asia':8 'japan':9 'jrock':10 'loc':7,12,14 'single':5,6 'visualkei':11,13
                                    'search_combo'  '04':10 '12':9 '2005':8 '20051204':11 'akui':1A,4C 'asia':15 'japan':16 'jinkaku':2B 'jrock':17 'loc':14,19,21 'maxi':5C 'maxisingle':7C 'radio':3B 'single':6C,12,13 'visualkei':18,20
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['angura kei', 'visual kei', 'j-rock', 'japanese', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638545264.7814355  (2021-12-03 16:27:44)
                             'size'  11776101