======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'Pat Prilly'
                                     'text_people'  ''
                                         'release'  'Moog Generation'
                                           'title'  'Bal Campagnand'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['library music', 'early electronic']"
                                     'discogstags'  "['electronic', 'jazz', 'space-age', 'abstract', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '146.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Moog Generation'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Bal Campagnand'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pat Prilly'
'TXXX:Mp3gain_minmax'                               '143,184'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'jazz', 'space-age', 'abstract', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['library music', 'early electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.64 dB'
'TXXX:replaygain_track_peak'                        '0.728402'

========================== row from database ==========================
                                              'id'  768343
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/mp 27 - jean-jacques perrey, pat prilly & harry breuer - moog génération/02 j.-j. perrey - h. breuer - bal campagnard.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  electronic-experimental-early
                                        'filesize'  3928880
                                           'mtime'  1636403708
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 27 jean jacques perrey, pat prilly & harry breuer moog génération 02 j. j. perrey h. breuer bal campagnard electronic experimental early
                                      'tag_artist'  Pat Prilly
                                     'tag_release'  Moog Generation
                                       'tag_title'  Bal Campagnand
                                             'bpm'  146.0
                                    'search_title'  'bal':1 'campagnand':2
                                   'search_artist'  'pat':1 'prilly':2
                                  'search_release'  'generation':2 'moog':1
                                     'search_rest'  '27':1 'bal':17 'breuer':9 'campagnard':18 'early':21 'electronic':19 'experimental':20 'generation':11,12 'h':15,16 'harry':8 'j':13,14 'jacques':3 'jean':2 'moog':10 'pat':6 'perrey':4,5 'prilly':7
                                    'search_combo'  '27':7 'bal':1A,23 'breuer':15 'campagnand':2A 'campagnard':24 'early':27 'electronic':25 'experimental':26 'generation':6C,17,18 'h':21,22 'harry':14 'j':19,20 'jacques':9 'jean':8 'moog':5C,16 'pat':3B,12 'perrey':10,11 'prilly':4B,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['library music', 'early electronic']
                                        'tag_date'  1972
                                     'discogstags'  ['electronic', 'jazz', 'space-age', 'abstract', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636403708.4399662  (2021-11-08 21:35:08)
                             'size'  3928880