======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '153'
                                          'artist'  'YMCK'
                                     'text_people'  ''
                                         'release'  'Family Music Bonus CD'
                                           'title'  'John Coltrane (Ymck In Dungeon)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico'
                                             'bpm'  '122.068'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Family Music Bonus CD'
'TBPM' (BPM (beats per minute))                     '122.068'
'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)         'John Coltrane (Ymck In Dungeon)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'YMCK'
'TRCK' (Track number/Position in set)               '4'
'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'                                       '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.64 dB'
'TXXX:replaygain_track_peak'                        '0.536536'

========================== row from database ==========================
                                              'id'  926041
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/YMCK/FAMILY MUSIC/Family Music Bonus CD/04 John Coltrane (Ymck In Dungeon).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  153
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico
                                        'filesize'  6150016
                                           'mtime'  1621489974
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia FAMILY MUSIC 04 loc asia japan;loc asia japan jpop;electronic we beeps or chip or pico
                                      'tag_artist'  YMCK
                                     'tag_release'  Family Music Bonus CD
                                       'tag_title'  John Coltrane (Ymck In Dungeon)
                                             'bpm'  122.068
                                    'search_title'  'coltrane':2 'dungeon':6,7 'in':5 'john':1 'ymck':3,4
                                   'search_artist'  'ymck':1
                                  'search_release'  'bonus':3 'cd':4 'family':1 'music':2
                                     'search_rest'  '00asia':1 'asia':5 'beeps':16 'chip':18 'electronic':12,14 'family':2 'japan':6,8,10 'jpop':11,13 'loc':4,7,9 'music':3 'or':17 'pico':19 'we':15
                                    'search_combo'  '00asia':13 'asia':17 'beeps':28 'bonus':11C 'cd':12C 'chip':30 'coltrane':2A 'dungeon':6A,7A 'electronic':24,26 'family':9C,14 'in':5A 'japan':18,20,22 'john':1A 'jpop':23,25 'loc':16,19,21 'music':10C,15 'or':29 'pico':31 'we':27 'ymck':3A,4A,8B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621489973.5496826  (2021-05-20 07:52:53)
                             'size'  6150016