======================== unified (from filesystem) ========================
                                         'bitrate'  '188.41'
                                        'duration'  '256'
                                          'artist'  'All Over Everywhere'
                                     'text_people'  ''
                                         'release'  'Progsoup 27'
                                           'title'  'Art of the Earth'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'psychedelic', 'psychedelic rock']"
                                     'discogstags'  "['folk rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '8'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '138.987'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Progsoup 27'
'TBPM' (BPM (beats per minute))                     '138.987'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Art of the Earth'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'All Over Everywhere'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '11/8'
'TXXX:AccurateRipDiscID'                            '008-000bb60c-004f80e0-6109ee08-1'
'TXXX:AccurateRipResult'                            'AccurateRip: Not in database   Secure: Yes   [955C4D3A]'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['folk rock', 'rock']
'TXXX:lastfmtags'                                   ['progressive rock', 'psychedelic', 'psychedelic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.516643'

========================== row from database ==========================
                                              'id'  1412408
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 27/1514 inner firmaments decay- art of the earth.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  256
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  6039578
                                           'mtime'  1620737011
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1514 inner firmaments decay earth rock cppex progressive;set pl progspace
                                      'tag_artist'  All Over Everywhere
                                     'tag_release'  Progsoup 27
                                       'tag_title'  Art of the Earth
                                             'bpm'  138.987
                                    'search_title'  'art':1 'earth':4 'of':2 'the':3
                                   'search_artist'  'all':1 'everywhere':3 'over':2
                                  'search_release'  '27':2 'progsoup':1
                                     'search_rest'  '1514':3 'classicprogpsy':1 'cppex':9 'decay':6 'earth':7 'firmaments':5 'inner':4 'pl':14 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 'set':11,13
                                    'search_combo'  '1514':12 '27':9C 'all':5B 'art':1A 'classicprogpsy':10 'cppex':18 'decay':15 'earth':4A,16 'everywhere':7B 'firmaments':14 'inner':13 'of':2A 'over':6B 'pl':23 'progressive':19,21 'progsoup':8C,11 'progspace':24 'rock':17 'set':20,22 'the':3A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'psychedelic', 'psychedelic rock']
                                        'tag_date'  2010
                                     'discogstags'  ['folk rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737011.4525526  (2021-05-11 14:43:31)
                             'size'  6039578