======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '481'
                                          'artist'  'Johnny L.'
                                     'text_people'  ''
                                         'release'  'This Is... Drum & Bass 2 (disc 2)'
                                           'title'  'Piper (Grooverider mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['drum and bass', 'jungle', 'electronic', 'dnb', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '86.697'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'This Is... Drum & Bass 2 (disc 2)'
'TBPM' (BPM (beats per minute))                     '86.697'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'Piper (Grooverider mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny L.'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['drum and bass', 'jungle', 'electronic', 'dnb', 'drum n bass']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.49 dB'
'TXXX:replaygain_track_peak'                        '0.450868'

========================== row from database ==========================
                                              'id'  1292269
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Johnny L__This Is... Drum & Bass 2 (disc 2)__cifsf570.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  481
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  11560687
                                           'mtime'  1621696846
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] L__This 2)__cifsf570 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Johnny L.
                                     'tag_release'  This Is... Drum & Bass 2 (disc 2)
                                       'tag_title'  Piper (Grooverider mix)
                                             'bpm'  86.697
                                    'search_title'  'grooverider':2,3 'mix':4,5 'piper':1
                                   'search_artist'  'johnny':1 'l':2,3
                                  'search_release'  '2':6,9 'bass':5 'disc':7,8 'drum':4 'is':2,3 'this':1
                                     'search_rest'  '00poprockelectronic':1 '2':9,11 'breakbeat':15 'cifsf570':10,12 'dnb':17 'electronic':13 'files':5,6 'jungle':18 'l':7 'loose':3,4 'or':16 'th':14 'this':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':18 '2':14C,17C,26,28 'bass':13C 'breakbeat':32 'cifsf570':27,29 'disc':15C,16C 'dnb':34 'drum':12C 'electronic':30 'files':22,23 'grooverider':2A,3A 'is':10C,11C 'johnny':6B 'jungle':35 'l':7B,8B,24 'loose':20,21 'mix':4A,5A 'or':33 'piper':1A 'th':31 'this':9C,25 'unsorted':19
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'jungle', 'electronic', 'dnb', 'drum n bass']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696845.9844909  (2021-05-22 17:20:45)
                             'size'  11560687