======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '252'
                                          'artist'  "Wavis O'Shave"
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  'Shoes'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['comedy', 'super rock music']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-you'
                                             'bpm'  '124.011'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover (front)'                                type PictureType.COVER_FRONT (Cover (front)) b'Cover (front)'
                                     
'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '124.011'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-you'
'TIT2' (Title/songname/content description)         'Shoes'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Wavis O'Shave"
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['comedy', 'super rock music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.408433'

========================== row from database ==========================
                                              'id'  1517184
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/Wavis O_Shave - Shoes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  252
                                           'genre'  set-pl-you
                                        'filesize'  6064640
                                           'mtime'  1620356253
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes O_Shave set pl you
                                      'tag_artist'  Wavis O'Shave
                                     'tag_release'  You
                                       'tag_title'  Shoes
                                             'bpm'  124.011
                                    'search_title'  'shoes':1
                                   'search_artist'  'o':2 'oshave':4 'shave':3 'wavis':1
                                  'search_release'  'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'o':4 'pl':7 'set':6 'shave':5 'themes':3 'you':8
                                    'search_combo'  '0novelty':8 '0playlists':7 'o':3B,10 'oshave':5B 'pl':13 'set':12 'shave':4B,11 'shoes':1A 'themes':9 'wavis':2B 'you':6C,14
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'super rock music']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620356252.9280598  (2021-05-07 04:57:32)
                             'size'  6064640