======================== unified (from filesystem) ========================
                                         'bitrate'  '203.024'
                                        'duration'  '302'
                                          'artist'  'Zombie Nation'
                                     'text_people'  ''
                                         'release'  'Black Toys'
                                           'title'  "Don't Touch"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['electronica', 'trance', 'techno', 'electronic', 'electro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '120.042'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Black Toys'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "Don't Touch"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zombie Nation'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['electronica', 'trance', 'techno', 'electronic', 'electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.05 dB'
'TXXX:replaygain_track_peak'                        '0.558541'

========================== row from database ==========================
                                              'id'  1312423
                                            'path'  /data/Music/Bulk/00poprockelectronic/Zombie Nation/05-zombie_nation-dont_touch.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  302
                                           'genre'  electronic-th-techno
                                        'filesize'  7683343
                                           'mtime'  1620573516
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 zombie_nation dont_touch electronic th techno
                                      'tag_artist'  Zombie Nation
                                     'tag_release'  Black Toys
                                       'tag_title'  Don't Touch
                                             'bpm'  120.042
                                    'search_title'  'don':1 'dont':3 't':2 'touch':4
                                   'search_artist'  'nation':2 'zombie':1
                                  'search_release'  'black':1 'toys':2
                                     'search_rest'  '00poprockelectronic':1 'dont':4 'electronic':6 'nation':3 'techno':8 'th':7 'touch':5 'zombie':2
                                    'search_combo'  '00poprockelectronic':9 'black':7C 'don':1A 'dont':3A,12 'electronic':14 'nation':6B,11 't':2A 'techno':16 'th':15 'touch':4A,13 'toys':8C 'zombie':5B,10
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trance', 'techno', 'electronic', 'electro']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573515.961702  (2021-05-09 17:18:35)
                             'size'  7683343