======================== unified (from filesystem) ========================
                                         'bitrate'  '178.328'
                                        'duration'  '129'
                                          'artist'  'Kewi University Of Swing'
                                     'text_people'  ''
                                         'release'  'Kewis Komplete'
                                           'title'  'Life Is Like A Penguin'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1980er', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '27'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '145.895'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'BF0FA31B'
'COMM:ID3v1 Comment:XXX'                            'BF0FA31B'
'TALB' (Album/Movie/Show title)                     'Kewis Komplete'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Life Is Like A Penguin'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kewi University Of Swing'
'TRCK' (Track number/Position in set)               '18/27'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['1980er', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.833553'

========================== row from database ==========================
                                              'id'  1396406
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Kewi University Of Swing/Kewis Komplete/Kewi University of Swing - Life is Like A Penguin - 18.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  129
                                           'genre'  loc-eur-netherlands
                                        'filesize'  2888924
                                           'mtime'  1621629523
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe of 18 loc eur netherlands
                                      'tag_artist'  Kewi University Of Swing
                                     'tag_release'  Kewis Komplete
                                       'tag_title'  Life Is Like A Penguin
                                             'bpm'  145.895
                                    'search_title'  'a':4 'is':2 'life':1 'like':3 'penguin':5
                                   'search_artist'  'kewi':1 'of':3 'swing':4 'university':2
                                  'search_release'  'kewis':1 'komplete':2
                                     'search_rest'  '00mid':1 '18':5 'eur':7 'europe':3 'loc':6 'netherlands':8 'north':2 'of':4
                                    'search_combo'  '00mid':12 '18':16 'a':4A 'eur':18 'europe':14 'is':2A 'kewi':6B 'kewis':10C 'komplete':11C 'life':1A 'like':3A 'loc':17 'netherlands':19 'north':13 'of':8B,15 'penguin':5A 'swing':9B 'university':7B
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['1980er', 'pop']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629522.618673  (2021-05-21 22:38:42)
                             'size'  2888924