======================== unified (from filesystem) ========================
                                         'bitrate'  '185.673'
                                        'duration'  '236'
                                          'artist'  'Martin Galway'
                                     'text_people'  ''
                                         'release'  'C64: Back in Time, Volume 1'
                                           'title'  'Wizball'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['video game music', '8 bit', 'c64', 'chiptune', 'sid']"
                                     'discogstags'  "['electronic', 'electro', 'chiptune', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '140.3'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'C64: Back in Time, Volume 1'
'TBPM' (BPM (beats per minute))                     '140.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Wizball'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Martin Galway'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'High Technology Publishing'
'TRCK' (Track number/Position in set)               '12/15'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Galway, Martin'
'TXXX:Artists'                                      'Martin Galway'
'TXXX:BARCODE'                                      '5036098000023'
'TXXX:CATALOGNUMBER'                                'C64CD1'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '718124c0-1cc7-4209-9e07-bff8bcad970d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29b8e01f-ee0e-4b4e-a3b0-48f465d144b2'
'TXXX:MusicBrainz Release Group Id'                 '9d5b4585-8ba6-354c-afdb-f489ba2d1ec8'
'TXXX:MusicBrainz Release Track Id'                 'f58c2ed5-0b77-3ca9-860b-0c36b01ed4bc'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'electro', 'chiptune', 'synth-pop']
'TXXX:lastfmtags'                                   ['video game music', '8 bit', 'c64', 'chiptune', 'sid']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.31 dB'
'TXXX:replaygain_track_peak'                        '0.629375'

========================== row from database ==========================
                                              'id'  1373650
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chris Hülsbeck - C64_ Back in Time, Volume 1/12 Martin Galway - Wizball.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  236
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  5496992
                                           'mtime'  1647348182
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chris Hülsbeck C64_ 12 electronic we beeps or chip or pico
                                      'tag_artist'  Martin Galway
                                     'tag_release'  C64: Back in Time, Volume 1
                                       'tag_title'  Wizball
                                             'bpm'  140.3
                                    'search_title'  'wizball':1
                                   'search_artist'  'galway':2 'martin':1
                                  'search_release'  '1':8 'back':3 'c64':1,2 'in':4 'time':5,6 'volume':7
                                     'search_rest'  '00poprockelectronic':1 'beeps':8 'c64':5 'chip':10 'chris':2 'electronic':6 'hulsbeck':3,4 'or':9 'pico':11 'we':7
                                    'search_combo'  '00poprockelectronic':12 '1':11C 'back':6C 'beeps':19 'c64':4C,5C,16 'chip':21 'chris':13 'electronic':17 'galway':3B 'hulsbeck':14,15 'in':7C 'martin':2B 'or':20 'pico':22 'time':8C,9C 'volume':10C 'we':18 'wizball':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['video game music', '8 bit', 'c64', 'chiptune', 'sid']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'electro', 'chiptune', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1647348181.7865138  (2022-03-15 13:43:01)
                             'size'  5496992