======================== unified (from filesystem) ========================
                                         'bitrate'  '215.546'
                                        'duration'  '223'
                                          'artist'  'biostacis'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'shatter'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-4', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techstep', 'drum and bass', 'hardstep', 'all', 'cyberpunk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '118.845'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.845'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'shatter'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'biostacis'
'TRCK' (Track number/Position in set)               '2'
'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:lastfmtags'                                   ['techstep', 'drum and bass', 'hardstep', 'all', 'cyberpunk']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.63 dB'
'TXXX:replaygain_track_peak'                        '0.484360'

========================== row from database ==========================
                                              'id'  1316099
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02 biostacis - shatter.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  223
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  6036021
                                           'mtime'  1621696818
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  biostacis
                                     'tag_release'  None
                                       'tag_title'  shatter
                                             'bpm'  118.845
                                    'search_title'  'shatter':1
                                   'search_artist'  'biostacis':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'breakbeat':9 'dnb':11 'electronic':7 'files':5,6 'jungle':12 'loose':3,4 'or':10 'th':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':3 'biostacis':2B 'breakbeat':11 'dnb':13 'electronic':9 'files':7,8 'jungle':14 'loose':5,6 'or':12 'shatter':1A 'th':10 'unsorted':4
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['techstep', 'drum and bass', 'hardstep', 'all', 'cyberpunk']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696818.4557552  (2021-05-22 17:20:18)
                             'size'  6036021