======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '107'
                                          'artist'  'Felix Kubin'
                                     'text_people'  ''
                                         'release'  'Filmmusik'
                                           'title'  'III. Im Kanal'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'avant garde', 'electro', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '139.2'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Filmmusik'
'TBPM' (BPM (beats per minute))                     '139.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2013'
'TFLT' (File type)                                  '/3'
'TIT2' (Title/songname/content description)         'III. Im Kanal'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 '(CD/DD)'
'TPE1' (Lead performer(s)/Soloist(s))               'Felix Kubin'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['electronica', 'avant garde', 'electro', 'electronic', 'experimental']
'TXXX:original release date'                        ['1998', '2013']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.522903'

========================== row from database ==========================
                                              'id'  1320481
                                            'path'  /data/Music/Bulk/00poprockelectronic/Felix Kubin/felix kubin - III. Im Kanal.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  107
                                           'genre'  electronic-experimental
                                        'filesize'  2157400
                                           'mtime'  1636917462
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic felix kubin electronic experimental
                                      'tag_artist'  Felix Kubin
                                     'tag_release'  Filmmusik
                                       'tag_title'  III. Im Kanal
                                             'bpm'  139.2
                                    'search_title'  'iii':1,2 'im':3 'kanal':4
                                   'search_artist'  'felix':1 'kubin':2
                                  'search_release'  'filmmusik':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':4 'experimental':5 'felix':2 'kubin':3
                                    'search_combo'  '00poprockelectronic':8 'electronic':11 'experimental':12 'felix':5B,9 'filmmusik':7C 'iii':1A,2A 'im':3A 'kanal':4A 'kubin':6B,10
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'avant garde', 'electro', 'electronic', 'experimental']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1636917462.2318869  (2021-11-14 20:17:42)
                             'size'  2157400