======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '347'
                                          'artist'  'GMS'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Blue pill'
                                           '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-1', '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'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '144.955'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:f\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'f\x1c\x00\x00')
'PRIV:PeakValue:\x90y\x00\x00'                      PRIV(owner='PeakValue', data=b'\x90y\x00\x00')
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Blue pill'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'GMS'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.17 dB'
'TXXX:replaygain_track_peak'                        '0.564711'

========================== row from database ==========================
                                              'id'  1404999
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Diversen/gms - blue pill.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  347
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  5568279
                                           'mtime'  1620559178
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Diversen gms blue electronic th trance goa or psy
                                      'tag_artist'  GMS
                                     'tag_release'  None
                                       'tag_title'  Blue pill
                                             'bpm'  144.955
                                    'search_title'  'blue':1 'pill':2
                                   'search_artist'  'gms':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'blue':7 'dance':3 'diversen':5 'electronic':8 'generic':2 'gms':6 'goa':11 'or':12 'psy':13 'th':9 'trance':10 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':4 'blue':1A,10 'dance':6 'diversen':8 'electronic':11 'generic':5 'gms':3B,9 'goa':14 'or':15 'pill':2A 'psy':16 'th':12 'trance':13 'trapbeat':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic trance', 'goa', 'psychedelic', 'psytrance', 'trance']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559177.6395183  (2021-05-09 13:19:37)
                             'size'  5568279