======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '386'
                                          'artist'  'Dieselboy'
                                     'text_people'  ''
                                         'release'  'projectHUMAN'
                                           'title'  'mindgames'
                                           'quals'  ("['Q-HAP-3', '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-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '117.398'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'projectHUMAN'
'TBPM' (BPM (beats per minute))                     '117.398'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'mindgames'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dieselboy'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.774529'

========================== row from database ==========================
                                              'id'  1407985
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Drum and Bass/DJ Dieselboy/DJ Dieselboy - mindgames.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  386
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  15474908
                                           'mtime'  1621696384
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Drum and Bass DJ DJ electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Dieselboy
                                     'tag_release'  projectHUMAN
                                       'tag_title'  mindgames
                                             'bpm'  117.398
                                    'search_title'  'mindgames':1
                                   'search_artist'  'dieselboy':1
                                  'search_release'  'human':3 'project':2 'projecthuman':1
                                     'search_rest'  '00poprockelectronic':1 'and':6 'bass':7 'breakbeat':11 'dance':3 'dj':8 'dnb':13 'drum':5 'electronic':9 'generic':2 'jungle':14 'or':12 'th':10 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':6 'and':11 'bass':12 'breakbeat':16 'dance':8 'dieselboy':2B 'dj':13 'dnb':18 'drum':10 'electronic':14 'generic':7 'human':5C 'jungle':19 'mindgames':1A 'or':17 'project':4C 'projecthuman':3C 'th':15 'trapbeat':9
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696383.852349  (2021-05-22 17:13:03)
                             'size'  15474908