======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '335'
                                          'artist'  'Timo Maas'
                                     'text_people'  ''
                                         'release'  'Loud'
                                           'title'  'Shifter (Feat. MC Chickaboo)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'trance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-house'
                                             'bpm'  '130.063'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Loud'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-house'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Shifter (Feat. MC Chickaboo)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Timo Maas'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'trance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.397078'

========================== row from database ==========================
                                              'id'  1303699
                                            'path'  /data/Music/Bulk/00poprockelectronic/Timo Maas/Timo Maas - Loud/04 - Shifter (Feat. MC Chickaboo).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  335
                                           'genre'  electronic-th-house
                                        'filesize'  8045322
                                           'mtime'  1621696808
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 electronic th house
                                      'tag_artist'  Timo Maas
                                     'tag_release'  Loud
                                       'tag_title'  Shifter (Feat. MC Chickaboo)
                                             'bpm'  130.063
                                    'search_title'  'chickaboo':5,6 'feat':2,3 'mc':4 'shifter':1
                                   'search_artist'  'maas':2 'timo':1
                                  'search_release'  'loud':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'house':4 'th':3
                                    'search_combo'  '00poprockelectronic':10 'chickaboo':5A,6A 'electronic':11 'feat':2A,3A 'house':13 'loud':9C 'maas':8B 'mc':4A 'shifter':1A 'th':12 'timo':7B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'trance']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696807.8574877  (2021-05-22 17:20:07)
                             'size'  8045322