======================== unified (from filesystem) ========================
                                         'bitrate'  '148.727'
                                        'duration'  '182'
                                          'artist'  'Aphex Twin'
                                     'text_people'  ''
                                         'release'  'Hangable Auto Bulb'
                                           'title'  'Laughable Butane Bob'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['draq', 'drjazzmrfunkmusic', 'electric textures']"
                                     'discogstags'  "['electronic', 'idm', 'breakcore', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '129.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hangable Auto Bulb'
'TBPM' (BPM (beats per minute))                     '129.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Laughable Butane Bob'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aphex Twin'
'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:discogstags'                                  ['electronic', 'idm', 'breakcore', 'experimental']
'TXXX:lastfmtags'                                   ['draq', 'drjazzmrfunkmusic', 'electric textures']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.53 dB'
'TXXX:replaygain_track_peak'                        '0.384462'

========================== row from database ==========================
                                              'id'  934009
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Aphex Twin/Hangable Auto Bulb/03-aphex_twin-laughable_butane_bob - [www.pctrecords.com].mp3
                                         'working'  None
                                         'bitrate'  148
                                    'duration_sec'  182
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  3390770
                                           'mtime'  1620522424
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 03 aphex_twin laughable_butane_bob [www.pctrecords.com] electronic experimental glitch breakcore
                                      'tag_artist'  Aphex Twin
                                     'tag_release'  Hangable Auto Bulb
                                       'tag_title'  Laughable Butane Bob
                                             'bpm'  129.0
                                    'search_title'  'bob':3 'butane':2 'laughable':1
                                   'search_artist'  'aphex':1 'twin':2
                                  'search_release'  'auto':2 'bulb':3 'hangable':1
                                     'search_rest'  'aphex':1 'bob':5 'breakcore':13 'butane':4 'com':8 'electronic':10 'experimental':11 'glitch':12 'laughable':3 'pctrecords':7 'twin':2 'www':6 'wwwpctrecordscom':9
                                    'search_combo'  'aphex':4B,9 'auto':7C 'bob':3A,13 'breakcore':21 'bulb':8C 'butane':2A,12 'com':16 'electronic':18 'experimental':19 'glitch':20 'hangable':6C 'laughable':1A,11 'pctrecords':15 'twin':5B,10 'www':14 'wwwpctrecordscom':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['draq', 'drjazzmrfunkmusic', 'electric textures']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'idm', 'breakcore', 'experimental']

============================== file details ==============================
                                           'mtime'  1620522423.6257043  (2021-05-09 03:07:03)
                             'size'  3390770