======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '176'
                                          'artist'  'Shocking Blue'
                                     'text_people'  ''
                                         'release'  'Star Collection (D4)'
                                           'title'  'Seven Is A Number In Magic'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'dutch', '70s', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '145.059'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TALB' (Album/Movie/Show title)                     'Star Collection (D4)'
'TBPM' (BPM (beats per minute))                     '145.059'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Seven Is A Number In Magic'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Shocking Blue'
'TPE2' (Band/orchestra/accompaniment)               'Shocking Blue'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'dutch', '70s', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.456424'

========================== row from database ==========================
                                              'id'  766324
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/The Shocking Blue - Seven Is A Number In Magic.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  176
                                           'genre'  set-pl-spelling
                                        'filesize'  4341070
                                           'mtime'  1620356438
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling The set pl spelling
                                      'tag_artist'  Shocking Blue
                                     'tag_release'  Star Collection (D4)
                                       'tag_title'  Seven Is A Number In Magic
                                             'bpm'  145.059
                                    'search_title'  'a':3 'in':5 'is':2 'magic':6 'number':4 'seven':1
                                   'search_artist'  'blue':2 'shocking':1
                                  'search_release'  'collection':2 'd4':3,4 'star':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':7 'set':6 'spelling':4 'the':5 'themes':3
                                    'search_combo'  '0novelty':14 '0playlists':13 'a':3A 'blue':8B 'collection':10C 'd4':11C,12C 'in':5A 'is':2A 'magic':6A 'number':4A 'pl':19 'set':18 'seven':1A 'shocking':7B 'spelling':16 'star':9C 'the':17 'themes':15
                                    'tag_tracknum'  24
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'dutch', '70s', '60s', 'classic rock']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356438.0327501  (2021-05-07 05:00:38)
                             'size'  4341070