======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '304'
                                          'artist'  'Du Tonc'
                                     'text_people'  ''
                                         'release'  'Beatport: Top 100 - November 2015'
                                           'title'  'We Can Hold On (Satin Jackets Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['synthpop', 'electronica', 'disco', 'nu-disco', 'indie']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '108.01'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Beatport: Top 100 - November 2015'
'TBPM' (BPM (beats per minute))                     '108.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'We Can Hold On (Satin Jackets Remix)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Du Tonc'
'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'                                   ['synthpop', 'electronica', 'disco', 'nu-disco', 'indie']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.448456'

========================== row from database ==========================
                                              'id'  1303555
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Du Tonc - We Can Hold On (Satin Jackets Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  304
                                           'genre'  electronic-unsorted
                                        'filesize'  12189696
                                           'mtime'  1620570984
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin & Guy 2016 electronic unsorted
                                      'tag_artist'  Du Tonc
                                     'tag_release'  Beatport: Top 100 - November 2015
                                       'tag_title'  We Can Hold On (Satin Jackets Remix)
                                             'bpm'  108.01
                                    'search_title'  'can':2 'hold':3 'jackets':7 'on':4 'remix':8,9 'satin':5,6 'we':1
                                   'search_artist'  'du':1 'tonc':2
                                  'search_release'  '100':4 '2015':6 'beatport':1,2 'november':5 'top':3
                                     'search_rest'  '00poprockelectronic':1 '2016':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':18 '100':15C '2015':17C '2016':21 'beatport':12C,13C 'can':2A 'du':10B 'electronic':22 'guy':20 'hold':3A 'jackets':7A 'marvin':19 'november':16C 'on':4A 'remix':8A,9A 'satin':5A,6A 'tonc':11B 'top':14C 'unsorted':23 'we':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['synthpop', 'electronica', 'disco', 'nu-disco', 'indie']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570984.1406777  (2021-05-09 16:36:24)
                             'size'  12189696