======================== unified (from filesystem) ========================
                                         'bitrate'  '207.881'
                                        'duration'  '255'
                                          'artist'  'Skream'
                                     'text_people'  ''
                                         'release'  'BAM 007 Acid people'
                                           'title'  'Get Mad'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'dub', 'grime', 'dubstep', 'bass']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-dubstep'
                                             'bpm'  '92.139'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'BAM 007 Acid people'
'TBPM' (BPM (beats per minute))                     '92.139'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-dubstep'
'TIT2' (Title/songname/content description)         'Get Mad'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Skream'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['electronic', 'dub', 'grime', 'dubstep', 'bass']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.88 dB'
'TXXX:replaygain_track_peak'                        '0.707193'

========================== row from database ==========================
                                              'id'  1301020
                                            'path'  /data/Music/Bulk/00poprockelectronic/Skream/Acid People/skream - a2 - get mad.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  255
                                           'genre'  electronic-th-ent-dubstep
                                        'filesize'  6637440
                                           'mtime'  1642081915
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic People skream a2 get mad electronic th ent dubstep
                                      'tag_artist'  Skream
                                     'tag_release'  BAM 007 Acid people
                                       'tag_title'  Get Mad
                                             'bpm'  92.139
                                    'search_title'  'get':1 'mad':2
                                   'search_artist'  'skream':1
                                  'search_release'  'acid':2 'bam':1 'people':3
                                     'search_rest'  '00poprockelectronic':1 'a2':4 'dubstep':10 'electronic':7 'ent':9 'get':5 'mad':6 'people':2 'skream':3 'th':8
                                    'search_combo'  '00poprockelectronic':7 'a2':10 'acid':5C 'bam':4C 'dubstep':16 'electronic':13 'ent':15 'get':1A,11 'mad':2A,12 'people':6C,8 'skream':3B,9 'th':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['electronic', 'dub', 'grime', 'dubstep', 'bass']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642081914.6847625  (2022-01-13 14:51:54)
                             'size'  6637440