======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '384'
                                          'artist'  'speedy j'
                                     'text_people'  ''
                                         'release'  'krekc'
                                           'title'  'krikc'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['ambient', 'techno', 'electronic', 'experimental', 'idm']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '146.000'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'krekc'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'krikc'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'speedy j'
'TRCK' (Track number/Position in set)               '02'
'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:lastfmtags'                                   ['ambient', 'techno', 'electronic', 'experimental', 'idm']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-2.85 dB'
'TXXX:replaygain_track_peak'                        '0.651424'

========================== row from database ==========================
                                              'id'  1268657
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Speedy J. - Speedy J/Krekc (Novamute 71)/Speedy J - Krikc.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  384
                                           'genre'  electronic-th-techno
                                        'filesize'  9227297
                                           'mtime'  1620579630
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Speedy J. Speedy J Krekc (Novamute 71) Speedy J Krikc electronic th techno
                                      'tag_artist'  speedy j
                                     'tag_release'  krekc
                                       'tag_title'  krikc
                                             'bpm'  146.0
                                    'search_title'  'krikc':1
                                   'search_artist'  'j':2 'speedy':1
                                  'search_release'  'krekc':1
                                     'search_rest'  '71':7,8 'electronic':10 'j':2,3 'krekc':4 'krikc':9 'novamute':5,6 'speedy':1 'techno':12 'th':11
                                    'search_combo'  '71':11,12 'electronic':14 'j':3B,6,7 'krekc':4C,8 'krikc':1A,13 'novamute':9,10 'speedy':2B,5 'techno':16 'th':15
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           '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-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'techno', 'electronic', 'experimental', 'idm']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620579630.384071  (2021-05-09 19:00:30)
                             'size'  9227297