======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '423'
                                          'artist'  'Jaga Jazzist'
                                     'text_people'  ''
                                         'release'  'One-Armed Bandit'
                                           'title'  '220 V / Spektral'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']"
                                     'discogstags'  "['electronic', 'jazz', 'future jazz', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '89.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'One-Armed Bandit'
'TBPM' (BPM (beats per minute))                     '89.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT1' (Content group description)                  'Universal NO'
'TIT2' (Title/songname/content description)         '220 V / Spektral'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jaga Jazzist'
'TPE2' (Band/orchestra/accompaniment)               'Jaga Jazzist'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:REPLAYGAIN_REFERENCE_LOUDNESS'                '89.0 dB'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'future jazz', 'experimental']
'TXXX:lastfmtags'                                   ['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.442990'

========================== row from database ==========================
                                              'id'  1344930
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jaga Jazzist - One-Armed Bandit (CD)/04 220 V _ Spektral.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  423
                                           'genre'  electronic-unsorted
                                        'filesize'  16996633
                                           'mtime'  1620570151
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (CD) 04 _ electronic unsorted
                                      'tag_artist'  Jaga Jazzist
                                     'tag_release'  One-Armed Bandit
                                       'tag_title'  220 V / Spektral
                                             'bpm'  89.8
                                    'search_title'  '220':1 'spektral':3 'v':2
                                   'search_artist'  'jaga':1 'jazzist':2
                                  'search_release'  'armed':2 'bandit':4 'one':1 'onearmed':3
                                     'search_rest'  '00poprockelectronic':1 'cd':2,3 'electronic':4 'unsorted':5
                                    'search_combo'  '00poprockelectronic':10 '220':1A 'armed':7C 'bandit':9C 'cd':11,12 'electronic':13 'jaga':4B 'jazzist':5B 'one':6C 'onearmed':8C 'spektral':3A 'unsorted':14 'v':2A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'ninja tune', 'jazz', 'electronic', 'nu jazz']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic', 'jazz', 'future jazz', 'experimental']

============================== file details ==============================
                                           'mtime'  1620570150.7419152  (2021-05-09 16:22:30)
                             'size'  16996633