======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '379'
                                          'artist'  'Nico Pusch'
                                     'text_people'  ''
                                         'release'  'Elfenstaub Vol 4 (Deep Electronic Journey Through Time & Space)'
                                           'title'  'Memories'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-3', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['house', 'minimal', 'techno', 'german', 'elektro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '118.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Elfenstaub Vol 4 (Deep Electronic Journey Through Time & Space)'
'TBPM' (BPM (beats per minute))                     '118.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Memories'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nico Pusch'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'minimal', 'techno', 'german', 'elektro']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.456265'

========================== row from database ==========================
                                              'id'  1328611
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/elfenstaub - 08 memories - nico pusch.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  379
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15218655
                                           'mtime'  1621085274
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lanig elfenstaub 08 memories nico pusch electronic th techno minimal deephouse
                                      'tag_artist'  Nico Pusch
                                     'tag_release'  Elfenstaub Vol 4 (Deep Electronic Journey Through Time & Space)
                                       'tag_title'  Memories
                                             'bpm'  118.0
                                    'search_title'  'memories':1
                                   'search_artist'  'nico':1 'pusch':2
                                  'search_release'  '4':3 'deep':4,5 'electronic':6 'elfenstaub':1 'journey':7 'space':10,11 'through':8 'time':9 'vol':2
                                     'search_rest'  '00poprockelectronic':1 'deephouse':11 'electronic':7 'elfenstaub':3 'lanig':2 'memories':4 'minimal':10 'nico':5 'pusch':6 'techno':9 'th':8
                                    'search_combo'  '00poprockelectronic':15 '4':6C 'deep':7C,8C 'deephouse':25 'electronic':9C,21 'elfenstaub':4C,17 'journey':10C 'lanig':16 'memories':1A,18 'minimal':24 'nico':2B,19 'pusch':3B,20 'space':13C,14C 'techno':23 'th':22 'through':11C 'time':12C 'vol':5C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', '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-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'minimal', 'techno', 'german', 'elektro']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085273.810397  (2021-05-15 15:27:53)
                             'size'  15218655