======================== unified (from filesystem) ========================
                                         'bitrate'  '196.086'
                                        'duration'  '268'
                                          'artist'  'Infected Mushroom'
                                     'text_people'  ''
                                         'release'  'Vicious Delicious'
                                           'title'  'Artillery'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-4', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '100.157'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vicious Delicious'
'TBPM' (BPM (beats per minute))                     '100.157'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Artillery'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Infected Mushroom'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.495467'

========================== row from database ==========================
                                              'id'  138281
                                            'path'  /data/Music/Bulk/00dwimp/Infected Mushroom/Infected Mushroom - Vicious Delicious - 02 - Artillery.mp3
                                         'working'  None
                                         'bitrate'  196
                                    'duration_sec'  268
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  6577639
                                           'mtime'  1620558721
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 02 electronic th trance goa or psy
                                      'tag_artist'  Infected Mushroom
                                     'tag_release'  Vicious Delicious
                                       'tag_title'  Artillery
                                             'bpm'  100.157
                                    'search_title'  'artillery':1
                                   'search_artist'  'infected':1 'mushroom':2
                                  'search_release'  'delicious':2 'vicious':1
                                     'search_rest'  '00dwimp':1 'electronic':2 'goa':5 'or':6 'psy':7 'th':3 'trance':4
                                    'search_combo'  '00dwimp':6 'artillery':1A 'delicious':5C 'electronic':7 'goa':10 'infected':2B 'mushroom':3B 'or':11 'psy':12 'th':8 'trance':9 'vicious':4C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620558721.1301055  (2021-05-09 13:12:01)
                             'size'  6577639