======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '280'
                                          'artist'  'Glass Animals'
                                     'text_people'  ''
                                         'release'  'How To Be A Human Being'
                                           'title'  'Life Itself'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'trip-hop', 'indie', 'british', 'dubstep']"
                                     'discogstags'  "['psychedelic rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '01'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '112.072'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'How To Be A Human Being'
'TBPM' (BPM (beats per minute))                     '112.072'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Life Itself'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '280415'
'TPE1' (Lead performer(s)/Soloist(s))               'Glass Animals'
'TPE2' (Band/orchestra/accompaniment)               'Glass Animals'
'TPOS' (Part of a set)                              '01/01'
'TRCK' (Track number/Position in set)               '01/01'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 64bits version 3.99.5 (http://lame.sf.net)'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['psychedelic rock', 'rock']
'TXXX:lastfmtags'                                   ['electronic', 'trip-hop', 'indie', 'british', 'dubstep']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.68 dB'
'TXXX:replaygain_track_peak'                        '0.502558'

========================== row from database ==========================
                                              'id'  1326287
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Glass Animals - Life Itself.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  280
                                           'genre'  electronic-unsorted
                                        'filesize'  11221477
                                           'mtime'  1620566256
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 electronic unsorted
                                      'tag_artist'  Glass Animals
                                     'tag_release'  How To Be A Human Being
                                       'tag_title'  Life Itself
                                             'bpm'  112.072
                                    'search_title'  'itself':2 'life':1
                                   'search_artist'  'animals':2 'glass':1
                                  'search_release'  'a':4 'be':3 'being':6 'how':1 'human':5 'to':2
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'electronic':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':11 '2016':12 'a':8C 'animals':4B 'be':7C 'being':10C 'electronic':13 'glass':3B 'how':5C 'human':9C 'itself':2A 'life':1A 'to':6C 'unsorted':14
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'trip-hop', 'indie', 'british', 'dubstep']
                                        'tag_date'  2016
                                     'discogstags'  ['psychedelic rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620566256.420705  (2021-05-09 15:17:36)
                             'size'  11221477