======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '4178'
                                          'artist'  'Alex DB'
                                     'text_people'  ''
                                         'release'  'Studio-X 2'
                                           'title'  'Aurora Boreal'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  ('[\'atmospheric\', "drum\'n\'bass", \'drum and bass\', \'intelligent\', '
 "'atmospheric drum and bass']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '110.664'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Studio-X 2'
'TBPM' (BPM (beats per minute))                     '110.664'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Aurora Boreal'
'TKEY' (Initial key)                                '2A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Alex DB'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['atmospheric',
 "drum'n'bass",
 'drum and bass',
 'intelligent',
 'atmospheric drum and bass']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.39 dB'
'TXXX:replaygain_track_peak'                        '0.527516'

========================== row from database ==========================
                                              'id'  1408991
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Drum and Bass/VA - Studio X/Studio X2/01. Alex DB - Aurora Boreal.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  4178
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  12623376
                                           'mtime'  1621696395
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Drum and Bass VA X2 01. electronic th breakbeat dnb jungle
                                      'tag_artist'  Alex DB
                                     'tag_release'  Studio-X 2
                                       'tag_title'  Aurora Boreal
                                             'bpm'  110.664
                                    'search_title'  'aurora':1 'boreal':2
                                   'search_artist'  'alex':1 'db':2
                                  'search_release'  '2':4 'studio':1 'studiox':3 'x':2
                                     'search_rest'  '00poprockelectronic':1 '01':10,11 'and':6 'bass':7 'breakbeat':14 'dance':3 'dnb':15 'drum':5 'electronic':12 'generic':2 'jungle':16 'th':13 'trapbeat':4 'va':8 'x2':9
                                    'search_combo'  '00poprockelectronic':9 '01':18,19 '2':8C 'alex':3B 'and':14 'aurora':1A 'bass':15 'boreal':2A 'breakbeat':22 'dance':11 'db':4B 'dnb':23 'drum':13 'electronic':20 'generic':10 'jungle':24 'studio':5C 'studiox':7C 'th':21 'trapbeat':12 'va':16 'x':6C 'x2':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['atmospheric', "drum'n'bass", 'drum and bass', 'intelligent', 'atmospheric drum and bass']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696394.6617079  (2021-05-22 17:13:14)
                             'size'  12623376