======================== unified (from filesystem) ========================
                                         'bitrate'  '180.847'
                                        'duration'  '416'
                                          'artist'  'Nara'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Dream A Little Dream'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['post-rock', 'polish', 'instrumental', 'rock against communism', 'catholic']"
                                     'discogstags'  "['pop rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '129.068'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'Lame 3.97'
'TIT2' (Title/songname/content description)         'Dream A Little Dream'
'TKEY' (Initial key)                                '8B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Nara'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop rock', 'pop', 'rock']
'TXXX:lastfmtags'                                   ['post-rock', 'polish', 'instrumental', 'rock against communism', 'catholic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.349031'

========================== row from database ==========================
                                              'id'  948874
                                            'path'  /data/Music/Bulk/sns/Nara-Dream A Little Dream (www.myfreemp3.cc).mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  416
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  9421873
                                           'mtime'  1621489051
                                   'redo_metaread'  0
                                        'rest_str'   sns (www.myfreemp3.cc) set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Nara
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Dream A Little Dream
                                             'bpm'  129.068
                                    'search_title'  'a':2 'dream':1 'little':3
                                   'search_artist'  'nara':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'cc':4 'mor':12 'myfreemp3':3 'pl':7 'set':6,9,11 'shirleyspinoza':8,10 'sns':1 'www':2 'wwwmyfreemp3cc':5
                                    'search_combo'  'a':2A 'cc':10 'dream':1A 'little':3A 'mor':18 'myfreemp3':9 'nara':4B 'pl':13 'set':12,15,17 'shirley':5C 'shirleyspinoza':14,16 'sns':7 'spinoza':6C 'www':8 'wwwmyfreemp3cc':11
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['post-rock', 'polish', 'instrumental', 'rock against communism', 'catholic']
                                        'tag_date'  2009
                                     'discogstags'  ['pop rock', 'pop', 'rock']

============================== file details ==============================
                                           'mtime'  1621489051.193695  (2021-05-20 07:37:31)
                             'size'  9421873