======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '360'
                                          'artist'  'Kid606'
                                     'text_people'  ''
                                         'release'  'Down with the Scene [Ipecac]'
                                           'title'  'Catstep/My Kitten/Catnap Vatstep DSP [*]'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['breakcore', 'electronica', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '119.617'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Down with the Scene [Ipecac]'
'TBPM' (BPM (beats per minute))                     '119.617'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Catstep/My Kitten/Catnap Vatstep DSP [*]'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '360646'
'TPE1' (Lead performer(s)/Soloist(s))               'Kid606'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Tool Version'                                 '19.0.163'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['breakcore', 'electronica', 'glitch', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+4.62 dB'
'TXXX:replaygain_track_peak'                        '0.221851'

========================== row from database ==========================
                                              'id'  764327
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Kid 606 - Down with the Scene [Ipecac 2000]/Kid 606 - Down with the Scene [Ipecac] - 17 - Catstep_My Kitten_Catnap Vatstep DSP [_].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  360
                                           'genre'  electronic-experimental
                                        'filesize'  8672850
                                           'mtime'  1636916503
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 2000] 17 Catstep_My Kitten_Catnap [_] electronic experimental
                                      'tag_artist'  Kid606
                                     'tag_release'  Down with the Scene [Ipecac]
                                       'tag_title'  Catstep/My Kitten/Catnap Vatstep DSP [*]
                                             'bpm'  119.617
                                    'search_title'  'catnap':5 'catstep':1 'catstepmy':3 'dsp':8 'kitten':4 'kittencatnap':6 'my':2 'vatstep':7
                                   'search_artist'  'kid606':1
                                  'search_release'  'down':1 'ipecac':5,6 'scene':4 'the':3 'with':2
                                     'search_rest'  '2000':5,6 'catnap':10 'catstep':7 'electronic':11 'experimental':12 'hiphop':1 'kitten':9 'my':8 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2000':20,21 'catnap':5A,25 'catstep':1A,22 'catstepmy':3A 'down':10C 'dsp':8A 'electronic':26 'experimental':27 'hiphop':16 'ipecac':14C,15C 'kid606':9B 'kitten':4A,24 'kittencatnap':6A 'my':2A,23 'rap':17 'rnb':18 'scene':13C 'the':12C 'turntablism':19 'vatstep':7A 'with':11C
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['breakcore', 'electronica', 'glitch', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916502.9387038  (2021-11-14 20:01:42)
                             'size'  8672850