======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '51'
                                          'artist'  'Karlheinz Stockhausen'
                                     'text_people'  ''
                                         'release'  'Stimmung'
                                           'title'  'Model 20'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'avant garde', 'musicologist', 'earwaves', "
 "'electronic', 'experimental']")
                                     'discogstags'  "['contemporary', 'electronic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '129.4'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stimmung'
'TBPM' (BPM (beats per minute))                     '129.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Model 20'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Karlheinz Stockhausen'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['contemporary', 'electronic', 'classical']
'TXXX:lastfmtags'                                   ['contemporary classical',
 'avant garde',
 'musicologist',
 'earwaves',
 'electronic',
 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.487121'

========================== row from database ==========================
                                              'id'  919421
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/karlheinz stockhausen/karlheinz stockhausen - stimmung/stimmung - paris version/20 - Karlheinz Stockhausen - Model 20.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  51
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2053508
                                           'mtime'  1636758065
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm karlheinz stockhausen karlheinz stockhausen stimmung stimmung paris version electronic experimental oddness
                                      'tag_artist'  Karlheinz Stockhausen
                                     'tag_release'  Stimmung
                                       'tag_title'  Model 20
                                             'bpm'  129.4
                                    'search_title'  '20':2 'model':1
                                   'search_artist'  'karlheinz':1 'stockhausen':2
                                  'search_release'  'stimmung':1
                                     'search_rest'  'electronic':6 'experimental':7 'karlheinz':1 'oddness':8 'paris':4 'stimmung':3 'stockhausen':2 'version':5
                                    'search_combo'  '20':2A 'electronic':11 'experimental':12 'karlheinz':3B,6 'model':1A 'oddness':13 'paris':9 'stimmung':5C,8 'stockhausen':4B,7 'version':10
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'avant garde', 'musicologist', 'earwaves', 'electronic', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['contemporary', 'electronic', 'classical']

============================== file details ==============================
                                           'mtime'  1636758064.9633036  (2021-11-13 00:01:04)
                             'size'  2053508