======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '646'
                                          'artist'  'GMS'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Green Nuns Of The Revolution'
                                           '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'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '144.852'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.852'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TIT2' (Title/songname/content description)         'Green Nuns Of The Revolution'
'TKEY' (Initial key)                                '8A'
'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'                        '-2.89 dB'
'TXXX:replaygain_track_peak'                        '0.539969'

========================== row from database ==========================
                                              'id'  1406688
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Diversen/GMS_-_Part_3_(Koxbox_-_GMS_-_Green_Nuns_Of_The_Revolution.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  646
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  10351901
                                           'mtime'  1620559177
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Diversen GMS_ _Part_3_(Koxbox_ _GMS_ _Green_Nuns_Of_The_Revolution electronic th trance goa or psy
                                      'tag_artist'  GMS
                                     'tag_release'  None
                                       'tag_title'  Green Nuns Of The Revolution
                                             'bpm'  144.852
                                    'search_title'  'green':1 'nuns':2 'of':3 'revolution':5 'the':4
                                   'search_artist'  'gms':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '3':8,11 'dance':3 'diversen':5 'electronic':19 'generic':2 'gms':6,13 'goa':22 'green':14 'koxbox':9,12 'nuns':15 'of':16 'or':23 'part':7,10 'psy':24 'revolution':18 'th':20 'the':17 'trance':21 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':7 '3':14,17 'dance':9 'diversen':11 'electronic':25 'generic':8 'gms':6B,12,19 'goa':28 'green':1A,20 'koxbox':15,18 'nuns':2A,21 'of':3A,22 'or':29 'part':13,16 'psy':30 'revolution':5A,24 'th':26 'the':4A,23 'trance':27 'trapbeat':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559177.072656  (2021-05-09 13:19:37)
                             'size'  10351901