======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '369'
                                          'artist'  'Rygar'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'Star Tracks (Dance Version)'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['spacesynth', 'electro', 'electronic', 'italo disco', 'space']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '118.290'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '118.290'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT2' (Title/songname/content description)         'Star Tracks (Dance Version)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rygar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '4'
'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'                                   ['spacesynth', 'electro', 'electronic', 'italo disco', 'space']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.693677'

========================== row from database ==========================
                                              'id'  1322172
                                            'path'  /data/Music/Bulk/00poprockelectronic/miscitalo/Rygar__cifs178f.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  369
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8876183
                                           'mtime'  1620573823
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Rygar__cifs178f electronic we disco or
                                      'tag_artist'  Rygar
                                     'tag_release'  miscitalo
                                       'tag_title'  Star Tracks (Dance Version)
                                             'bpm'  118.29
                                    'search_title'  'dance':3,4 'star':1 'tracks':2 'version':5,6
                                   'search_artist'  'rygar':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00poprockelectronic':1 'cifs178f':3 'disco':6 'electronic':4 'or':7 'rygar':2 'we':5
                                    'search_combo'  '00poprockelectronic':9 'cifs178f':11 'dance':3A,4A 'disco':14 'electronic':12 'miscitalo':8C 'or':15 'rygar':7B,10 'star':1A 'tracks':2A 'version':5A,6A 'we':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['spacesynth', 'electro', 'electronic', 'italo disco', 'space']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573822.7437985  (2021-05-09 17:23:42)
                             'size'  8876183