======================== unified (from filesystem) ========================
                                         'bitrate'  '182.62'
                                        'duration'  '45'
                                          'artist'  'Karlheinz Stockhausen'
                                     'text_people'  ''
                                         'release'  'Stimmung (Paul Hiller)'
                                           'title'  'Model 50 (Paul Hiller)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['contemporary classical', 'avant garde', 'musicologist', 'earwaves', "
 "'electronic', 'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '50'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '145.5'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stimmung (Paul Hiller)'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'dee pee ess'
'TIT2' (Title/songname/content description)         'Model 50 (Paul Hiller)'
'TKEY' (Initial key)                                '4B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Karlheinz Stockhausen'
'TRCK' (Track number/Position in set)               '50'
'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:lastfmtags'                                   ['contemporary classical',
 'avant garde',
 'musicologist',
 'earwaves',
 'electronic',
 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.581331'

========================== row from database ==========================
                                              'id'  919158
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/karlheinz stockhausen/karlheinz stockhausen - stimmung/stimmung - paul hillier/50 - Karlheinz Stockhausen - Model 50 (paul Hiller) - Dps.mp3
                                         'working'  None
                                         'bitrate'  182
                                    'duration_sec'  45
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  1049846
                                           'mtime'  1636916180
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm karlheinz stockhausen karlheinz stockhausen stimmung stimmung paul hillier (paul Dps electronic experimental oddness
                                      'tag_artist'  Karlheinz Stockhausen
                                     'tag_release'  Stimmung (Paul Hiller)
                                       'tag_title'  Model 50 (Paul Hiller)
                                             'bpm'  145.5
                                    'search_title'  '50':2 'hiller':5,6 'model':1 'paul':3,4
                                   'search_artist'  'karlheinz':1 'stockhausen':2
                                  'search_release'  'hiller':4,5 'paul':2,3 'stimmung':1
                                     'search_rest'  'dps':7 'electronic':8 'experimental':9 'hillier':5 'karlheinz':1 'oddness':10 'paul':4,6 'stimmung':3 'stockhausen':2
                                    'search_combo'  '50':2A 'dps':20 'electronic':21 'experimental':22 'hiller':5A,6A,12C,13C 'hillier':18 'karlheinz':7B,14 'model':1A 'oddness':23 'paul':3A,4A,10C,11C,17,19 'stimmung':9C,16 'stockhausen':8B,15
                                    'tag_tracknum'  50
                                      'num_images'  0
                                             'key'  4B
                                           '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'avant garde', 'musicologist', 'earwaves', 'electronic', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916179.57207  (2021-11-14 19:56:19)
                             'size'  1049846