======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '236'
                                          'artist'  'YMCK'
                                     'text_people'  ''
                                         'release'  'Family Music Bonus CD'
                                           'title'  'Tetrominon ~From Russia With Blocks~ (Pinky Mix)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico'
                                             'bpm'  '139.851'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Family Music Bonus CD'
'TBPM' (BPM (beats per minute))                     '139.851'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop', 'electronic-we-beeps or chip or pico']
'TIT2' (Title/songname/content description)         'Tetrominon ~From Russia With Blocks~ (Pinky Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'YMCK'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.63 dB'
'TXXX:replaygain_track_peak'                        '0.307539'

========================== row from database ==========================
                                              'id'  929816
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/YMCK/FAMILY MUSIC/Family Music Bonus CD/02 Tetrominon ~From Russia With Blocks~ (Pinky Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  236
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico
                                        'filesize'  9471872
                                           'mtime'  1621489974
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia FAMILY MUSIC 02 asia japan;loc asia japan jpop;electronic we beeps or chip or pico
                                      'tag_artist'  YMCK
                                     'tag_release'  Family Music Bonus CD
                                       'tag_title'  Tetrominon ~From Russia With Blocks~ (Pinky Mix)
                                             'bpm'  139.851
                                    'search_title'  'blocks':5 'from':2 'mix':8,9 'pinky':6,7 'russia':3 'tetrominon':1 'with':4
                                   'search_artist'  'ymck':1
                                  'search_release'  'bonus':3 'cd':4 'family':1 'music':2
                                     'search_rest'  '00asia':1 'asia':4 'beeps':15 'chip':17 'electronic':11,13 'family':2 'japan':5,7,9 'jpop':10,12 'loc':6,8 'music':3 'or':16 'pico':18 'we':14
                                    'search_combo'  '00asia':15 'asia':18 'beeps':29 'blocks':5A 'bonus':13C 'cd':14C 'chip':31 'electronic':25,27 'family':11C,16 'from':2A 'japan':19,21,23 'jpop':24,26 'loc':20,22 'mix':8A,9A 'music':12C,17 'or':30 'pico':32 'pinky':6A,7A 'russia':3A 'tetrominon':1A 'we':28 'with':4A 'ymck':10B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621489973.5213194  (2021-05-20 07:52:53)
                             'size'  9471872