======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '620'
                                          'artist'  'Jan W. Morthenson'
                                     'text_people'  ''
                                         'release'  'Music for TAPE/BAND - Musik from Sweden'
                                           'title'  'Ultra'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-2', 'q-other-4', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['swedish', 'electronic', 'contemporary classical', 'composer', "
 "'electro-acoustic']")
                                     'discogstags'  "['contemporary', 'classical', 'post-modern']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '7'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '128.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ('© The Artist(s) 2006, UbuWeb (ubu.com) / Artmob (artmob.ca) / PennSound '
 '(writing.upenn.edu/pennsound) / WFMU (wfmu.org) / The Center for Literary '
 'Computing (clc.wvu.edu). All materials at UbuWeb are available for free '
 'exchange for noncommercial uses.')
'COMM:iTunNORM:eng'                                 (' 000001F1 000001F1 00003298 00003298 00072D30 00072D30 00008000 00008000 '
 '0002D0E8 0002D0E8')
'TALB' (Album/Movie/Show title)                     'Music for TAPE/BAND - Musik from Sweden'
'TBPM' (BPM (beats per minute))                     '128.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1973'
'TENC' (Encoded by)                                 'iTunes v6.0.5'
'TIT2' (Title/songname/content description)         'Ultra'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jan W. Morthenson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7/7'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['contemporary', 'classical', 'post-modern']
'TXXX:lastfmtags'                                   ['swedish',
 'electronic',
 'contemporary classical',
 'composer',
 'electro-acoustic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.600420'

========================== row from database ==========================
                                              'id'  1379799
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Hugh Le Caine - 1970/jan w. morthenson - ultra (1970).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  620
                                           'genre'  electronic-experimental-early
                                        'filesize'  9922560
                                           'mtime'  1637329013
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Hugh Le Caine 1970 jan w. morthenson ultra (1970) electronic experimental early
                                      'tag_artist'  Jan W. Morthenson
                                     'tag_release'  Music for TAPE/BAND - Musik from Sweden
                                       'tag_title'  Ultra
                                             'bpm'  128.6
                                    'search_title'  'ultra':1
                                   'search_artist'  'jan':1 'morthenson':4 'w':2,3
                                  'search_release'  'band':4 'for':2 'from':7 'music':1 'musik':6 'sweden':8 'tape':3 'tapeband':5
                                     'search_rest'  '1970':4,10 'caine':3 'early':13 'electronic':11 'experimental':12 'hugh':1 'jan':5 'le':2 'morthenson':8 'ultra':9 'w':6,7
                                    'search_combo'  '1970':17,23 'band':9C 'caine':16 'early':26 'electronic':24 'experimental':25 'for':7C 'from':12C 'hugh':14 'jan':2B,18 'le':15 'morthenson':5B,21 'music':6C 'musik':11C 'sweden':13C 'tape':8C 'tapeband':10C 'ultra':1A,22 'w':3B,4B,19,20
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'electronic', 'contemporary classical', 'composer', 'electro-acoustic']
                                        'tag_date'  1973
                                     'discogstags'  ['contemporary', 'classical', 'post-modern']

============================== file details ==============================
                                           'mtime'  1637329013.094791  (2021-11-19 14:36:53)
                             'size'  9922560