======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '386'
                                          'artist'  'Future Cut'
                                     'text_people'  ''
                                         'release'  'Aftermath (Essential Rewindz)'
                                           'title'  'Stealth (Domination)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'darkstep', 'dnb', 'electronic', 'all']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '115.722'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Aftermath (Essential Rewindz)'
'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'Stealth (Domination)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Future Cut'
'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', 'drum n bass']
'TXXX:lastfmtags'                                   ['drum and bass', 'darkstep', 'dnb', 'electronic', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.19 dB'
'TXXX:replaygain_track_peak'                        '0.519318'

========================== row from database ==========================
                                              'id'  1491983
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Future Cut__Aftermath (Essential Rewindz)__Stealth (Domination).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  386
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  9291202
                                           'mtime'  1621696362
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch Cut__Aftermath Rewindz)__Stealth electronic breakbeat or dnb or jungle
                                      'tag_artist'  Future Cut
                                     'tag_release'  Aftermath (Essential Rewindz)
                                       'tag_title'  Stealth (Domination)
                                             'bpm'  115.722
                                    'search_title'  'domination':2,3 'stealth':1
                                   'search_artist'  'cut':2 'future':1
                                  'search_release'  'aftermath':1 'essential':2,3 'rewindz':4,5
                                     'search_rest'  '00dutch':4 '00mid':1 'aftermath':6 'breakbeat':12 'cut':5 'dnb':14 'electronic':11 'europe':3 'jungle':15 'north':2 'or':13 'rewindz':7,9 'stealth':8,10
                                    'search_combo'  '00dutch':14 '00mid':11 'aftermath':6C,16 'breakbeat':22 'cut':5B,15 'dnb':24 'domination':2A,3A 'electronic':21 'essential':7C,8C 'europe':13 'future':4B 'jungle':25 'north':12 'or':23 'rewindz':9C,10C,17,19 'stealth':1A,18,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'darkstep', 'dnb', 'electronic', 'all']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696362.4709008  (2021-05-22 17:12:42)
                             'size'  9291202