======================== unified (from filesystem) ========================
                                         'bitrate'  '139.615'
                                        'duration'  '344'
                                          'artist'  'Rob Hubbard'
                                     'text_people'  ''
                                         'release'  "Greatest SID's (CD2)"
                                           'title'  'Spellbound'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['video game music', 'c64', 'chiptune', 'game music', 'sid']"
                                     'discogstags'  "['soundtrack', 'electronic', 'chiptune']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '13'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '85.094'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest SID's (CD2)"
'TBPM' (BPM (beats per minute))                     '85.094'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Spellbound'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rob Hubbard'
'TRCK' (Track number/Position in set)               '11/13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['soundtrack', 'electronic', 'chiptune']
'TXXX:lastfmtags'                                   ['video game music', 'c64', 'chiptune', 'game music', 'sid']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.365816'

========================== row from database ==========================
                                              'id'  1523700
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/Rob Hubbard/Greatest SID_s (1985-87)/CD2/Rob Hubbard - 11 - Spellbound.mp3
                                         'working'  None
                                         'bitrate'  139
                                    'duration_sec'  344
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  6013204
                                           'mtime'  1621627795
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy SID_s (1985 87) 11 electronic we beeps or chip or pico
                                      'tag_artist'  Rob Hubbard
                                     'tag_release'  Greatest SID's (CD2)
                                       'tag_title'  Spellbound
                                             'bpm'  85.094
                                    'search_title'  'spellbound':1
                                   'search_artist'  'hubbard':2 'rob':1
                                  'search_release'  'cd2':5,6 'greatest':1 's':3 'sid':2 'sids':4
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '1985':5,6 '87':7,8 'beeps':11 'chip':13 'electronic':9 'or':12 'pico':14 's':4 'sid':3 'we':10
                                    'search_combo'  '00beepy':11 '00poprockelectronic':10 '1985':14,15 '87':16,17 'beeps':20 'cd2':8C,9C 'chip':22 'electronic':18 'greatest':4C 'hubbard':3B 'or':21 'pico':23 'rob':2B 's':6C,13 'sid':5C,12 'sids':7C 'spellbound':1A 'we':19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['video game music', 'c64', 'chiptune', 'game music', 'sid']
                                        'tag_date'  2002
                                     'discogstags'  ['soundtrack', 'electronic', 'chiptune']

============================== file details ==============================
                                           'mtime'  1621627794.6607983  (2021-05-21 22:09:54)
                             'size'  6013204