======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '452'
                                          'artist'  'GMS'
                                     'text_people'  ''
                                         'release'  'No Rules'
                                           'title'  'no Rules'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['psychedelic trance', 'goa', 'psychedelic', 'psytrance', 'trance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '137.946'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'No Rules'
'TBPM' (BPM (beats per minute))                     '137.946'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'GOA Red & DEEP emissions 4AG'
'TIT2' (Title/songname/content description)         'no Rules'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'GMS'
'TRCK' (Track number/Position in set)               '3/9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['psychedelic trance', 'goa', 'psychedelic', 'psytrance', 'trance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.82 dB'
'TXXX:replaygain_track_peak'                        '0.551096'

========================== row from database ==========================
                                              'id'  1404746
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Diversen/gms - no Rules.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  452
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  12670848
                                           'mtime'  1620559183
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Diversen gms electronic th trance goa or psy
                                      'tag_artist'  GMS
                                     'tag_release'  No Rules
                                       'tag_title'  no Rules
                                             'bpm'  137.946
                                    'search_title'  'no':1 'rules':2
                                   'search_artist'  'gms':1
                                  'search_release'  'no':1 'rules':2
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'diversen':5 'electronic':7 'generic':2 'gms':6 'goa':10 'or':11 'psy':12 'th':8 'trance':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':6 'dance':8 'diversen':10 'electronic':12 'generic':7 'gms':3B,11 'goa':15 'no':1A,4C 'or':16 'psy':17 'rules':2A,5C 'th':13 'trance':14 'trapbeat':9
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic trance', 'goa', 'psychedelic', 'psytrance', 'trance']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559182.745093  (2021-05-09 13:19:42)
                             'size'  12670848