======================== unified (from filesystem) ========================
                                         'bitrate'  '261.334'
                                        'duration'  '238'
                                          'artist'  'eX-Girl'
                                     'text_people'  ''
                                         'release'  'Back to the Mono Kero'
                                           'title'  'Waving Scientist @ Frog King'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'japanese', 'experimental', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '121.482'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Back to the Mono Kero'
'TBPM' (BPM (beats per minute))                     '121.482'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Waving Scientist @ Frog King'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'eX-Girl'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'japanese', 'experimental', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.432527'

========================== row from database ==========================
                                              'id'  929956
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/eX-Girl/[2001] Back to the Mono Kero!/eX-Girl - Back to the Mono Kero - 01 - Waving Scientist @ Frog King.mp3
                                         'working'  None
                                         'bitrate'  261
                                    'duration_sec'  238
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  7785923
                                           'mtime'  1622757803
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2001] Kero! 01 loc asia japan;loc asia japan jrock
                                      'tag_artist'  eX-Girl
                                     'tag_release'  Back to the Mono Kero
                                       'tag_title'  Waving Scientist @ Frog King
                                             'bpm'  121.482
                                    'search_title'  'frog':3 'king':4 'scientist':2 'waving':1
                                   'search_artist'  'e':4 'ex':1 'exgirl':3 'girl':2,6 'x':5 'xgirl':7
                                  'search_release'  'back':1 'kero':5 'mono':4 'the':3 'to':2
                                     'search_rest'  '00asia':1 '2001':2,3 'asia':6 'japan':7,9,11 'jrock':12 'kero':4 'loc':5,8,10
                                    'search_combo'  '00asia':17 '2001':18,19 'asia':22 'back':12C 'e':8B 'ex':5B 'exgirl':7B 'frog':3A 'girl':6B,10B 'japan':23,25,27 'jrock':28 'kero':16C,20 'king':4A 'loc':21,24,26 'mono':15C 'scientist':2A 'the':14C 'to':13C 'waving':1A 'x':9B 'xgirl':11B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'japanese', 'experimental', 'j rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622757803.4803908  (2021-06-04 00:03:23)
                             'size'  7785923