======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '125'
                                          'artist'  'Aphex Twin'
                                     'text_people'  ''
                                         'release'  'Selected Ambient Works, Vol 2 [Disc 2] (IMPORT)'
                                           'title'  'Z Twig'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-chart-3', "
 "'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', 'Q-PIANO-2']")
                                      'lastfmtags'  "['draq', 'drjazzmrfunkmusic', 'electric textures']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.042'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000166 000001BF 000006F1 0000098C 00009A77 0000D825 0000469D 00004AC5 '
 '0000A42C 0000D825')
'TALB' (Album/Movie/Show title)                     'Selected Ambient Works, Vol 2 [Disc 2] (IMPORT)'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Z Twig'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aphex Twin'
'TPE2' (Band/orchestra/accompaniment)               'Aphex Twin'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '5/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 192 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['draq', 'drjazzmrfunkmusic', 'electric textures']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.491209'

========================== row from database ==========================
                                              'id'  1286086
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/05 - z twig (b+w stripes).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  125
                                           'genre'  electronic-unsorted
                                        'filesize'  3044885
                                           'mtime'  1620572569
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 05 z twig (b+w stripes) electronic unsorted
                                      'tag_artist'  Aphex Twin
                                     'tag_release'  Selected Ambient Works, Vol 2 [Disc 2] (IMPORT)
                                       'tag_title'  Z Twig
                                             'bpm'  120.042
                                    'search_title'  'twig':2 'z':1
                                   'search_artist'  'aphex':1 'twin':2
                                  'search_release'  '2':6,9 'ambient':2 'disc':7,8 'import':10,11 'selected':1 'vol':5 'works':3,4
                                     'search_rest'  '00poprockelectronic':1 'b':9,11 'electronic':15 'files':5,6 'loose':3,4 'stripes':13,14 'twig':8 'unsorted':2 'w':10,12 'z':7
                                    'search_combo'  '00poprockelectronic':16 '2':10C,13C 'ambient':6C 'aphex':3B 'b':24,26 'disc':11C,12C 'electronic':30 'files':20,21 'import':14C,15C 'loose':18,19 'selected':5C 'stripes':28,29 'twig':2A,23 'twin':4B 'unsorted':17 'vol':9C 'w':25,27 'works':7C,8C 'z':1A,22
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['draq', 'drjazzmrfunkmusic', 'electric textures']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572569.1362972  (2021-05-09 17:02:49)
                             'size'  3044885