======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '247'
                                          'artist'  'Richard Galliano'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'New York Tango'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'tango', 'accordion', 'jazz', 'drjazzmrfunkmusic', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '133.403'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'New York Tango'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Richard Galliano'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['fip', 'tango', 'accordion', 'jazz', 'drjazzmrfunkmusic', 'french']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.755544'

========================== row from database ==========================
                                              'id'  922454
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/richard galliano quartett - new york tango.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  247
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  1978240
                                           'mtime'  1620528394
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter richard galliano quartett new york tango loc style tango milonga
                                      'tag_artist'  Richard Galliano
                                     'tag_release'  french tanguerooo
                                       'tag_title'  New York Tango
                                             'bpm'  133.403
                                    'search_title'  'new':1 'tango':3 'york':2
                                   'search_artist'  'galliano':2 'richard':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'galliano':2 'loc':7 'milonga':9 'new':4 'quartett':3 'richard':1 'style':8 'tango':6 'york':5
                                    'search_combo'  'french':6C 'galliano':5B,9 'loc':14 'milonga':16 'new':1A,11 'quartett':10 'richard':4B,8 'style':15 'tango':3A,13 'tanguerooo':7C 'york':2A,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'tango', 'accordion', 'jazz', 'drjazzmrfunkmusic', 'french']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528393.53928  (2021-05-09 04:46:33)
                             'size'  1978240