======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '304'
                                          'artist'  'Dzyan'
                                     'text_people'  ''
                                         'release'  'Pagan Love Vibrations'
                                           'title'  'Naga Raga'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['krautrock', 'progressive rock', 'psychedelic', 'experimental', 'german']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '87.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pagan Love Vibrations'
'TBPM' (BPM (beats per minute))                     '87.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Naga Raga'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dzyan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:TOTALTRACKS'                                  '21'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['krautrock', 'progressive rock', 'psychedelic', 'experimental', 'german']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.603550'

========================== row from database ==========================
                                              'id'  1416170
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Gunter Kallman Chor - Amorphous Androgynous, the - A Monstrous Psychedelic Bubble Vol 2 - Pagan Love Vibrations [2009]/1.12. Dzyan - Naga Raga.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  304
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  12180378
                                           'mtime'  1620736201
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Gunter Kallman Chor Amorphous Androgynous, the A Monstrous Psychedelic Bubble Vol 2 [2009] 1.12. rock cppex psychedelic
                                      'tag_artist'  Dzyan
                                     'tag_release'  Pagan Love Vibrations
                                       'tag_title'  Naga Raga
                                             'bpm'  87.5
                                    'search_title'  'naga':1 'raga':2
                                   'search_artist'  'dzyan':1
                                  'search_release'  'love':2 'pagan':1 'vibrations':3
                                     'search_rest'  '1':17 '112':19 '12':18 '2':14 '2009':15,16 'a':9 'amorphous':5 'androgynous':6,7 'bubble':12 'chor':4 'classicprogpsy':1 'cppex':21 'gunter':2 'kallman':3 'monstrous':10 'psychedelic':11 'rock':20 'the':8 'vol':13
                                    'search_combo'  '1':23 '112':25 '12':24 '2':20 '2009':21,22 'a':15 'amorphous':11 'androgynous':12,13 'bubble':18 'chor':10 'classicprogpsy':7 'cppex':27 'dzyan':3B 'gunter':8 'kallman':9 'love':5C 'monstrous':16 'naga':1A 'pagan':4C 'psychedelic':17 'raga':2A 'rock':26 'the':14 'vibrations':6C 'vol':19
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'progressive rock', 'psychedelic', 'experimental', 'german']
                                        'tag_date'  2009
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736201.413203  (2021-05-11 14:30:01)
                             'size'  12180378