======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '86'
                                          'artist'  'Peter Kuhlmann & Jurgen Rehberg'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Power Which Gives Me Strength Is From Another World'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pete namlook', 'under 500 listeners', 'fax 49 69450464', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '122.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TIT2' (Title/songname/content description)         'The Power Which Gives Me Strength Is From Another World'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Kuhlmann & Jurgen Rehberg'
'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'                                   ['pete namlook', 'under 500 listeners', 'fax 49 69450464', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.59 dB'
'TXXX:replaygain_track_peak'                        '0.528991'

========================== row from database ==========================
                                              'id'  1424070
                                            'path'  /data/Music/Bulk/00poprockelectronic/00drone/Peter Kuhlmann & Jurgen Rehberg - The Power Which Gives Me Strength Is From Another World.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  86
                                           'genre'  electronic-drone
                                        'filesize'  1722544
                                           'mtime'  1636913217
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00drone electronic drone
                                      'tag_artist'  Peter Kuhlmann & Jurgen Rehberg
                                     'tag_release'  None
                                       'tag_title'  The Power Which Gives Me Strength Is From Another World
                                             'bpm'  122.3
                                    'search_title'  'another':9 'from':8 'gives':4 'is':7 'me':5 'power':2 'strength':6 'the':1 'which':3 'world':10
                                   'search_artist'  'jurgen':3 'kuhlmann':2 'peter':1 'rehberg':4
                                  'search_release'  
                                     'search_rest'  '00drone':2 '00poprockelectronic':1 'drone':4 'electronic':3
                                    'search_combo'  '00drone':16 '00poprockelectronic':15 'another':9A 'drone':18 'electronic':17 'from':8A 'gives':4A 'is':7A 'jurgen':13B 'kuhlmann':12B 'me':5A 'peter':11B 'power':2A 'rehberg':14B 'strength':6A 'the':1A 'which':3A 'world':10A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pete namlook', 'under 500 listeners', 'fax 49 69450464', 'ambient']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913217.1142516  (2021-11-14 19:06:57)
                             'size'  1722544