======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '198'
                                          'artist'  'Chad Lawson'
                                     'text_people'  ''
                                         'release'  'Peaceful Piano'
                                           'title'  'I Should Be Sleeping'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'neoclassical', 'piano', 'modern classical', "
 "'solo piano']")
                                     'discogstags'  "['classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '109'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary'
                                             'bpm'  '84.9'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'https://open.spotify.com/playlist/37i9dQZF1DX4sWSpwq3LiO?si=eW3PBEzOQnKBgITo9CYhKg'
'TALB' (Album/Movie/Show title)                     'Peaceful Piano'
'TBPM' (BPM (beats per minute))                     '84.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'I Should Be Sleeping'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chad Lawson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '109'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.20.100'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'classical'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'neoclassical',
 'piano',
 'modern classical',
 'solo piano']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.665571'

========================== row from database ==========================
                                              'id'  1239559
                                            'path'  /data/Music/Bulk/00instruments-classical/VA - Peaceful Piano/109 - Chad Lawson - I Should Be Sleeping.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  198
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  11485691
                                           'mtime'  1636913698
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical VA 109 prerock classical or classical instruments contemporary
                                      'tag_artist'  Chad Lawson
                                     'tag_release'  Peaceful Piano
                                       'tag_title'  I Should Be Sleeping
                                             'bpm'  84.9
                                    'search_title'  'be':3 'i':1 'should':2 'sleeping':4
                                   'search_artist'  'chad':1 'lawson':2
                                  'search_release'  'peaceful':1 'piano':2
                                     'search_rest'  '00instruments':1 '109':4 'classical':2 'contemporary':8 'instruments':7 'or':6 'prerock':5 'va':3
                                    'search_combo'  '00instruments':9 '109':12 'be':3A 'chad':5B 'classical':10 'contemporary':16 'i':1A 'instruments':15 'lawson':6B 'or':14 'peaceful':7C 'piano':8C 'prerock':13 'should':2A 'sleeping':4A 'va':11
                                    'tag_tracknum'  109
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'neoclassical', 'piano', 'modern classical', 'solo piano']
                                        'tag_date'  2010
                                     'discogstags'  ['classical']

============================== file details ==============================
                                           'mtime'  1636913698.2865496  (2021-11-14 19:14:58)
                             'size'  11485691