======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '137'
                                          'artist'  'Jeans Team'
                                     'text_people'  ''
                                         'release'  'LektroLuv'
                                           'title'  'Keine Melodien'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronic', 'german', 'electroclash', 'electro', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '109.231'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'LektroLuv'
'TBPM' (BPM (beats per minute))                     '109.231'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Keine Melodien'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '137325'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Jeans Team'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'german', 'electroclash', 'electro', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.21 dB'
'TXXX:replaygain_track_peak'                        '0.613340'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  1321730
                                            'path'  /data/Music/Bulk/00poprockelectronic/Miss Kittin & The Hacker - Lektroluv/15 Jeans Team - Keine Melodien.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  137
                                           'genre'  electronic-unsorted
                                        'filesize'  2748288
                                           'mtime'  1620571290
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Miss Kittin & The Hacker Lektroluv 15 electronic unsorted
                                      'tag_artist'  Jeans Team
                                     'tag_release'  LektroLuv
                                       'tag_title'  Keine Melodien
                                             'bpm'  109.231
                                    'search_title'  'keine':1 'melodien':2
                                   'search_artist'  'jeans':1 'team':2
                                  'search_release'  'lektro':2 'lektroluv':1 'luv':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'hacker':5 'kittin':3 'lektroluv':6 'miss':2 'the':4 'unsorted':8
                                    'search_combo'  '00poprockelectronic':8 'electronic':14 'hacker':12 'jeans':3B 'keine':1A 'kittin':10 'lektro':6C 'lektroluv':5C,13 'luv':7C 'melodien':2A 'miss':9 'team':4B 'the':11 'unsorted':15
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'german', 'electroclash', 'electro', 'electronica']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571290.1478035  (2021-05-09 16:41:30)
                             'size'  2748288