======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  'Marina & The Diamonds'
                                     'text_people'  ''
                                         'release'  'HeavyRoc Music'
                                           'title'  "Mowgli's Road (The Knocks Remix)"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'indie pop', 'female vocalists', 'british', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145.790'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000005AE 00000618 0000358E 000035C6 000281F0 0002A60F 0000816F 000080A2 '
 '0001BE6D 0000CA72')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B4E 00000000008CBFA2 00000000 007F953A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'HeavyRoc Music'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         "Mowgli's Road (The Knocks Remix)"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marina & The Diamonds'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'female vocalists', 'british', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+8.88 dB'
'TXXX:replaygain_track_peak'                        '0.210542'

========================== row from database ==========================
                                              'id'  1514627
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Mowgli_s Road (The Knocks Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  electronic-unsorted
                                        'filesize'  8371757
                                           'mtime'  1620572904
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Mowgli_s electronic unsorted
                                      'tag_artist'  Marina & The Diamonds
                                     'tag_release'  HeavyRoc Music
                                       'tag_title'  Mowgli's Road (The Knocks Remix)
                                             'bpm'  145.79
                                    'search_title'  'knocks':7 'mowgli':1 'mowglis':3 'remix':8,9 'road':4 's':2 'the':5,6
                                   'search_artist'  'diamonds':3 'marina':1 'the':2
                                  'search_release'  'heavy':3 'heavyroc':1 'music':2 'roc':4
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'loose':3,4 'mowgli':7 's':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':17 'diamonds':12B 'electronic':25 'files':21,22 'heavy':15C 'heavyroc':13C 'knocks':7A 'loose':19,20 'marina':10B 'mowgli':1A,23 'mowglis':3A 'music':14C 'remix':8A,9A 'road':4A 'roc':16C 's':2A,24 'the':5A,6A,11B 'unsorted':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'female vocalists', 'british', 'electronic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572904.3479943  (2021-05-09 17:08:24)
                             'size'  8371757