======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '88'
                                          'artist'  'Keem the Cipher'
                                     'text_people'  ''
                                         'release'  '(Cosmos EP.)'
                                           'title'  'Boundless.'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['beats', 'instrumental', 'hip-hop', 'instrumental hip-hop', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '79'
                                      'tracktotal'  '79'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop;set-th-christmas'
                                             'bpm'  '88'
                                             'key'  ''
                                        'acoustid'  ''
rest: ''

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

'APIC:front cover'                                  type PictureType.COVER_FRONT (Cover (front)) b'front cover'
                                     
'TALB' (Album/Movie/Show title)                     '(Cosmos EP.)'
'TBPM' (BPM (beats per minute))                     '88'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism-chillhop', 'set-th-christmas']
'TDRC' (Recording time)                             '2017-04-10'
'TIT2' (Title/songname/content description)         'Boundless.'
'TLEN' (Length)                                     '88'
'TPE1' (Lead performer(s)/Soloist(s))               'Keem the Cipher'
'TPE2' (Band/orchestra/accompaniment)               'Keem the Cipher'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '79/79'
'TSRC' (ISRC (international standard recording code))  'QMPKX1715328'
'TXXX:BARCODE'                                      '840095199155'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['beats', 'instrumental', 'hip-hop', 'instrumental hip-hop', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+14.43 dB'
'TXXX:replaygain_track_peak'                        '0.109353'

========================== row from database ==========================
                                              'id'  1357725
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/lofi/lo fi chill/79 - Keem the Cipher - Boundless..mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  88
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop;set-th-christmas
                                        'filesize'  3651142
                                           'mtime'  1620527679
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave lofi lo fi chill 79 hip hop or rnb or rap or turntablism chillhop;set christmas
                                      'tag_artist'  Keem the Cipher
                                     'tag_release'  (Cosmos EP.)
                                       'tag_title'  Boundless.
                                             'bpm'  88.0
                                    'search_title'  'boundless':1,2
                                   'search_artist'  'cipher':3 'keem':1 'the':2
                                  'search_release'  'cosmos':1,2 'ep':3,4
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '79':9 'chill':8 'chillhop':16,18 'christmas':20 'disco':3 'fi':7 'hip':10 'hop':11 'lo':6 'lofi':5 'or':12 'rap':14 'rnb':13 'set':17,19 'turntablism':15 'waves':2
                                    'search_combo'  '00poprockelectronic':10 '00synthwave':13 '79':18 'boundless':1A,2A 'chill':17 'chillhop':25,27 'christmas':29 'cipher':5B 'cosmos':6C,7C 'disco':12 'ep':8C,9C 'fi':16 'hip':19 'hop':20 'keem':3B 'lo':15 'lofi':14 'or':21 'rap':23 'rnb':22 'set':26,28 'the':4B 'turntablism':24 'waves':11
                                    'tag_tracknum'  79
                                      'num_images'  1
                                             'key'  
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['beats', 'instrumental', 'hip-hop', 'instrumental hip-hop', 'hip hop']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527679.01631  (2021-05-09 04:34:39)
                             'size'  3651142