======================== unified (from filesystem) ========================
                                         'bitrate'  '167.416'
                                        'duration'  '361'
                                          'artist'  'Erotic Dream'
                                     'text_people'  ''
                                         'release'  'Progressive Sensations'
                                           'title'  'Erotic Dream (live version)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  ("['psy', 'progressive psytrance', 'electronic', 'progressive trance', "
 "'psytrance']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '129.979'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progressive Sensations'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Erotic Dream (live version)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Erotic Dream'
'TRCK' (Track number/Position in set)               '6'
'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'                                   ['psy',
 'progressive psytrance',
 'electronic',
 'progressive trance',
 'psytrance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.51 dB'
'TXXX:replaygain_track_peak'                        '0.426417'

========================== row from database ==========================
                                              'id'  1406789
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Erotic Dream - Progressive Senatsions/06 Erotic Dream (live version).mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  361
                                           'genre'  electronic-th-trance
                                        'filesize'  7577820
                                           'mtime'  1621627105
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Senatsions 06 electronic th trance
                                      'tag_artist'  Erotic Dream
                                     'tag_release'  Progressive Sensations
                                       'tag_title'  Erotic Dream (live version)
                                             'bpm'  129.979
                                    'search_title'  'dream':2 'erotic':1 'live':3,4 'version':5,6
                                   'search_artist'  'dream':2 'erotic':1
                                  'search_release'  'progressive':1 'sensations':2
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':6 'generic':2 'senatsions':5 'th':7 'trance':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':11 'dance':13 'dream':2A,8B 'electronic':16 'erotic':1A,7B 'generic':12 'live':3A,4A 'progressive':9C 'senatsions':15 'sensations':10C 'th':17 'trance':18 'trapbeat':14 'version':5A,6A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psy', 'progressive psytrance', 'electronic', 'progressive trance', 'psytrance']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621627105.2123475  (2021-05-21 21:58:25)
                             'size'  7577820