======================== unified (from filesystem) ========================
                                         'bitrate'  '210.629'
                                        'duration'  '176'
                                          'artist'  'Jean-Claude Chapuis'
                                     'text_people'  ''
                                         'release'  'Gravikords, Whirlies & Pyrophones'
                                           'title'  'Luminescence'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['all', 'slightly streamable', 'costello 500', 'eccentric', 'experimental']"
                                     'discogstags'  "['baroque', 'modern', 'romantic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '140.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gravikords, Whirlies & Pyrophones'
'TBPM' (BPM (beats per minute))                     '140.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Luminescence'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean-Claude Chapuis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['baroque', 'modern', 'romantic', 'classical']
'TXXX:lastfmtags'                                   ['all', 'slightly streamable', 'costello 500', 'eccentric', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.695239'

========================== row from database ==========================
                                              'id'  1389978
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tom Nunn - Various - Gravikords, Whirlies & Pyrophones (1998) [V0]/04 - Jean-Claude Chapuis - Luminescence.mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  176
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4657881
                                           'mtime'  1622801182
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Tom Nunn Various (1998) [V0] 04 electronic experimental oddness
                                      'tag_artist'  Jean-Claude Chapuis
                                     'tag_release'  Gravikords, Whirlies & Pyrophones
                                       'tag_title'  Luminescence
                                             'bpm'  140.4
                                    'search_title'  'luminescence':1
                                   'search_artist'  'chapuis':4 'claude':2 'jean':1 'jeanclaude':3
                                  'search_release'  'gravikords':1,2 'pyrophones':4 'whirlies':3
                                     'search_rest'  '1998':4,5 'electronic':8 'experimental':9 'nunn':2 'oddness':10 'tom':1 'v0':6,7 'various':3
                                    'search_combo'  '1998':13,14 'chapuis':5B 'claude':3B 'electronic':17 'experimental':18 'gravikords':6C,7C 'jean':2B 'jeanclaude':4B 'luminescence':1A 'nunn':11 'oddness':19 'pyrophones':9C 'tom':10 'v0':15,16 'various':12 'whirlies':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all', 'slightly streamable', 'costello 500', 'eccentric', 'experimental']
                                        'tag_date'  1998
                                     'discogstags'  ['baroque', 'modern', 'romantic', 'classical']

============================== file details ==============================
                                           'mtime'  1622801181.946644  (2021-06-04 12:06:21)
                             'size'  4657881