======================== unified (from filesystem) ========================
                                         'bitrate'  '207.198'
                                        'duration'  '250'
                                          'artist'  'Skream'
                                     'text_people'  ''
                                         'release'  'BAM 007 Acid people'
                                           'title'  'Acid People'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', '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'  '138.229'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'BAM 007 Acid people'
'TBPM' (BPM (beats per minute))                     '138.229'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-dubstep'
'TIT2' (Title/songname/content description)         'Acid People'
'TKEY' (Initial key)                                '6A'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '1.004406'

========================== row from database ==========================
                                              'id'  1324505
                                            'path'  /data/Music/Bulk/00poprockelectronic/Skream/Acid People/skream - a1 - acid people.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  250
                                           'genre'  electronic-th-ent-dubstep
                                        'filesize'  6500224
                                           'mtime'  1642081915
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic skream a1 acid electronic th ent dubstep
                                      'tag_artist'  Skream
                                     'tag_release'  BAM 007 Acid people
                                       'tag_title'  Acid People
                                             'bpm'  138.229
                                    'search_title'  'acid':1 'people':2
                                   'search_artist'  'skream':1
                                  'search_release'  'acid':2 'bam':1 'people':3
                                     'search_rest'  '00poprockelectronic':1 'a1':3 'acid':4 'dubstep':8 'electronic':5 'ent':7 'skream':2 'th':6
                                    'search_combo'  '00poprockelectronic':7 'a1':9 'acid':1A,5C,10 'bam':4C 'dubstep':14 'electronic':11 'ent':13 'people':2A,6C 'skream':3B,8 'th':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['electronic', 'dub', 'grime', 'dubstep', 'bass']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1642081914.6341047  (2022-01-13 14:51:54)
                             'size'  6500224