======================== unified (from filesystem) ========================
                                         'bitrate'  '184.705'
                                        'duration'  '332'
                                          'artist'  'Praga Khan'
                                     'text_people'  ''
                                         'release'  'mutant funk'
                                           'title'  'The Moon'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', '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-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['dance', 'electronica', 'techno', 'rave', 'electronic', 'belgian']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '129.979'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '930D910C'
'COMM:ID3v1 Comment:XXX'                            '930D910C'
'TALB' (Album/Movie/Show title)                     'mutant funk'
'TBPM' (BPM (beats per minute))                     '129.979'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'The Moon'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Praga Khan'
'TRCK' (Track number/Position in set)               '10/12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 0, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'techno', 'rave', 'electronic', 'belgian']
'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'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.22 dB'
'TXXX:replaygain_track_peak'                        '0.586622'

========================== row from database ==========================
                                              'id'  1299522
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Praga Khan/Mutant Funk/Praga Khan - The Moon.mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  332
                                           'genre'  electronic-th-techno
                                        'filesize'  7682585
                                           'mtime'  1620564211
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Mutant Funk electronic th techno
                                      'tag_artist'  Praga Khan
                                     'tag_release'  mutant funk
                                       'tag_title'  The Moon
                                             'bpm'  129.979
                                    'search_title'  'moon':2 'the':1
                                   'search_artist'  'khan':2 'praga':1
                                  'search_release'  'funk':2 'mutant':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':8 'funk':7 'harder':4 'house':3 'mutant':6 'techno':10 'th':9
                                    'search_combo'  '00poprockelectronic':7 '00techno':8 'beats':11 'electronic':14 'funk':6C,13 'harder':10 'house':9 'khan':4B 'moon':2A 'mutant':5C,12 'praga':3B 'techno':16 'th':15 'the':1A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'techno', 'rave', 'electronic', 'belgian']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620564211.0902991  (2021-05-09 14:43:31)
                             'size'  7682585