======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  'Oliver Onions'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Angels and Beans'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['myhitparade', 'pop', 'bud spencer and terence hill', 'soundtrack', '70s', "
 "'italian']")
                                     'discogstags'  "['rock', 'funk / soul', 'pop', 'folk rock', 'disco', 'schlager']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '103.062'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '103.062'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Angels and Beans'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Oliver Onions'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'funk / soul', 'pop', 'folk rock', 'disco', 'schlager']
'TXXX:lastfmtags'                                   ['myhitparade',
 'pop',
 'bud spencer and terence hill',
 'soundtrack',
 '70s',
 'italian']
'TXXX:original release date'                        ['1989', '1986']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.569033'

========================== row from database ==========================
                                              'id'  1287553
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Oliver Onions - Angels And Beans.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  entertaining-unsorted
                                        'filesize'  3686226
                                           'mtime'  1620568693
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean And entertaining unsorted
                                      'tag_artist'  Oliver Onions
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Angels and Beans
                                             'bpm'  103.062
                                    'search_title'  'and':2 'angels':1 'beans':3
                                   'search_artist'  'oliver':1 'onions':2
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 'and':3 'clean':2 'entertaining':4 'unsorted':5
                                    'search_combo'  '00poprockelectronic':8 'and':2A,10 'angels':1A 'beans':3A 'clean':9 'entertaining':11 'greatest':6C 'hits':7C 'oliver':4B 'onions':5B 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['myhitparade', 'pop', 'bud spencer and terence hill', 'soundtrack', '70s', 'italian']
                                        'tag_date'  1986
                                     'discogstags'  ['rock', 'funk / soul', 'pop', 'folk rock', 'disco', 'schlager']

============================== file details ==============================
                                           'mtime'  1620568692.9365668  (2021-05-09 15:58:12)
                             'size'  3686226