======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '152'
                                          'artist'  'Unknown'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Shock Therapy'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '96.530'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '96.530'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Shock Therapy'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown'
'TRCK' (Track number/Position in set)               '25'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 128 Kbit/s, Joint Stereo, High quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.97 dB'
'TXXX:replaygain_track_peak'                        '0.414824'

========================== row from database ==========================
                                              'id'  1351129
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Unknown - 25 - Shock Therapy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  152
                                           'genre'  rock-cppex
                                        'filesize'  2442951
                                           'mtime'  1674646299
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean 25 rock cppex
                                      'tag_artist'  Unknown
                                     'tag_release'  None
                                       'tag_title'  Shock Therapy
                                             'bpm'  96.53
                                    'search_title'  'shock':1 'therapy':2
                                   'search_artist'  'unknown':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '25':3 'clean':2 'cppex':5 'rock':4
                                    'search_combo'  '00poprockelectronic':4 '25':6 'clean':5 'cppex':8 'rock':7 'shock':1A 'therapy':2A 'unknown':3B
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1674646299.175084  (2023-01-25 12:31:39)
                             'size'  2442951