======================== unified (from filesystem) ========================
                                         'bitrate'  '250.607'
                                        'duration'  '210'
                                          'artist'  'RQ'
                                     'text_people'  ''
                                         'release'  '♞'
                                           'title'  '♫ VI/ SPEAK ⇧ BUDDY'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trap', 'ambient', 'renard', 'electronic', 'experimental', 'microfunk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '100.058'
                                             'key'  '11B'
                                        'acoustid'  '571ff564-08e9-41fa-bca3-037adf2ca589'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '♞'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-09-20'
'TIT2' (Title/songname/content description)         '♫ VI/ SPEAK ⇧ BUDDY'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'RQ'
'TPE2' (Band/orchestra/accompaniment)               'RQ'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'LapFox Trax'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'RQ'
'TSOP' (Performer sort order)                       'RQ'
'TXXX:Acoustid Id'                                  '571ff564-08e9-41fa-bca3-037adf2ca589'
'TXXX:Artists'                                      'RQ'
'TXXX:MusicBrainz Album Artist Id'                  'cb611a50-28e6-403e-aa8c-79fafb3f9dbd'
'TXXX:MusicBrainz Album Id'                         '82591721-a548-4fc3-bff8-eb1046df31c4'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cb611a50-28e6-403e-aa8c-79fafb3f9dbd'
'TXXX:MusicBrainz Release Group Id'                 'c1502087-a01e-4fa3-9b1d-2686324b3fd5'
'TXXX:MusicBrainz Release Track Id'                 'd749d8b2-caf6-4fd3-97d6-169a696da478'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trap', 'ambient', 'renard', 'electronic', 'experimental', 'microfunk']
'TXXX:originalyear'                                 '2013'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.315178'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b58d720c-362d-4d0c-9650-01ef15c5ad32')
'USLT:None:eng'                                     '"SPEAK UP BUDDY"'

========================== row from database ==========================
                                              'id'  1421955
                                            'path'  /data/Music/Bulk/00poprockelectronic/[LM]RQ - ♞/mp3/RQ - ♞ - 06 ♫ Ⅵ／ SPEAK ⇧ BUDDY.mp3
                                         'working'  None
                                         'bitrate'  250
                                    'duration_sec'  210
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  6707484
                                           'mtime'  1620594173
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [LM]RQ mp3 06 Ⅵ／ electronic generic or radio beats
                                      'tag_artist'  RQ
                                     'tag_release'  ♞
                                       'tag_title'  ♫ VI/ SPEAK ⇧ BUDDY
                                             'bpm'  100.058
                                    'search_title'  'buddy':4 'speak':3 'vi':1,2
                                   'search_artist'  'rq':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'beats':13 'electronic':9 'generic':10 'lm':2 'lmrq':4 'mp3':5 'or':11 'radio':12 'rq':3 'vi':7,8 'ⅵ':6
                                    'search_combo'  '00poprockelectronic':6 'beats':18 'buddy':4A 'electronic':14 'generic':15 'lm':7 'lmrq':9 'mp3':10 'or':16 'radio':17 'rq':5B,8 'speak':3A 'vi':1A,2A,12,13 'ⅵ':11
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trap', 'ambient', 'renard', 'electronic', 'experimental', 'microfunk']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620594172.617431  (2021-05-09 23:02:52)
                             'size'  6707484