======================== unified (from filesystem) ========================
                                         'bitrate'  '147.301'
                                        'duration'  '592'
                                          'artist'  'Atmos'
                                     'text_people'  ''
                                         'release'  'Headcleaner'
                                           'title'  'Sonic Kipper'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  ("['psychedelic', 'progressive psytrance', 'goa', 'progressive trance', "
 "'psytrance']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '140.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000026A 00000261 00003D5D 000038D4 00046185 00046185 00007E62 00008000 '
 '0007D969 00046185')
'TALB' (Album/Movie/Show title)                     'Headcleaner'
'TBPM' (BPM (beats per minute))                     '140.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Sonic Kipper'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Atmos'
'TPE2' (Band/orchestra/accompaniment)               'Atmos'
'TRCK' (Track number/Position in set)               '7'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['psychedelic',
 'progressive psytrance',
 'goa',
 'progressive trance',
 'psytrance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.00 dB'
'TXXX:replaygain_track_peak'                        '0.749048'

========================== row from database ==========================
                                              'id'  1403436
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Atmos/[2000] Headcleaner/07 Sonic Kipper.mp3
                                         'working'  None
                                         'bitrate'  147
                                    'duration_sec'  592
                                           'genre'  electronic-th-trance
                                        'filesize'  10951728
                                           'mtime'  1621696379
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat [2000] 07 electronic th trance
                                      'tag_artist'  Atmos
                                     'tag_release'  Headcleaner
                                       'tag_title'  Sonic Kipper
                                             'bpm'  140.0
                                    'search_title'  'kipper':2 'sonic':1
                                   'search_artist'  'atmos':1
                                  'search_release'  'headcleaner':1
                                     'search_rest'  '00poprockelectronic':1 '2000':5,6 'dance':3 'electronic':7 'generic':2 'th':8 'trance':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':5 '2000':9,10 'atmos':3B 'dance':7 'electronic':11 'generic':6 'headcleaner':4C 'kipper':2A 'sonic':1A 'th':12 'trance':13 'trapbeat':8
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'progressive psytrance', 'goa', 'progressive trance', 'psytrance']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696378.7460601  (2021-05-22 17:12:58)
                             'size'  10951728