======================== unified (from filesystem) ========================
                                         'bitrate'  '245.098'
                                        'duration'  '400'
                                          'artist'  'Planet Boelex'
                                     'text_people'  ''
                                         'release'  'N++ soundtrack'
                                           'title'  'Shower Curtain'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['finnish', 'electronica', 'idm', 'ambient', 'netlabel', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse;soundtrack-game;set-pl-mor'
                                             'bpm'  '101.1'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'N++ soundtrack'
'TBPM' (BPM (beats per minute))                     '101.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno-minimal or deephouse', 'soundtrack-game', 'set-pl-mor']
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Shower Curtain'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Planet Boelex'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'iso6mp41'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['finnish', 'electronica', 'idm', 'ambient', 'netlabel', 'electronic']
'TXXX:major_brand'                                  'dash'
'TXXX:minor_version'                                '0'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.12 dB'
'TXXX:replaygain_track_peak'                        '0.560677'

========================== row from database ==========================
                                              'id'  856541
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/N++ OST/N++ soundtrack (OST) Planet Boelex - Shower Curtain.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  400
                                           'genre'  electronic-th-techno-minimal or deephouse;soundtrack-game;set-pl-mor
                                        'filesize'  12281736
                                           'mtime'  1621084947
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm OST (OST) electronic th techno minimal or deephouse;soundtrack game;set pl mor
                                      'tag_artist'  Planet Boelex
                                     'tag_release'  N++ soundtrack
                                       'tag_title'  Shower Curtain
                                             'bpm'  101.1
                                    'search_title'  'curtain':2 'shower':1
                                   'search_artist'  'boelex':2 'planet':1
                                  'search_release'  'n':1 'soundtrack':2
                                     'search_rest'  'deephouse':8,10 'electronic':3 'game':12,14 'minimal':6 'mor':17 'or':7 'ost':1,2 'pl':16 'set':13,15 'soundtrack':9,11 'techno':5 'th':4
                                    'search_combo'  'boelex':4B 'curtain':2A 'deephouse':14,16 'electronic':9 'game':18,20 'minimal':12 'mor':23 'n':5C 'or':13 'ost':7,8 'pl':22 'planet':3B 'set':19,21 'shower':1A 'soundtrack':6C,15,17 'techno':11 'th':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-4', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['finnish', 'electronica', 'idm', 'ambient', 'netlabel', 'electronic']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621084946.7235904  (2021-05-15 15:22:26)
                             'size'  12281736