======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '262'
                                          'artist'  'CC Catch'
                                     'text_people'  ''
                                         'release'  'Welcome to the Heartbreak Hote'
                                           'title'  "Tears Won't Wash Away My Heart"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'disco', 'pop', 'dance', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '100.805'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Welcome to the Heartbreak Hote'
'TBPM' (BPM (beats per minute))                     '100.805'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         "Tears Won't Wash Away My Heart"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'CC Catch'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'disco', 'pop', 'dance', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.433412'

========================== row from database ==========================
                                              'id'  1521490
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/CC Catch/1987 Welcome To The Heartbreak Hotel/03 Tears Won_t Wash Away My Heartache.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  262
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6312606
                                           'mtime'  1620608667
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 1987 To The Hotel 03 Won_t Heartache electronic we disco or italo
                                      'tag_artist'  CC Catch
                                     'tag_release'  Welcome to the Heartbreak Hote
                                       'tag_title'  Tears Won't Wash Away My Heart
                                             'bpm'  100.805
                                    'search_title'  'away':6 'heart':8 'my':7 't':3 'tears':1 'wash':5 'won':2 'wont':4
                                   'search_artist'  'catch':2 'cc':1
                                  'search_release'  'heartbreak':4 'hote':5 'the':3 'to':2 'welcome':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '1987':6 'disco':3 'electronic':13 'heartache':12 'hotel':9 'italo':5 'or':15 't':11 'the':8 'to':7 'waves':2 'we':14 'won':10
                                    'search_combo'  '00disco':19 '00poprockelectronic':16 '1987':21 'away':6A 'catch':10B 'cc':9B 'disco':18 'electronic':28 'heart':8A 'heartache':27 'heartbreak':14C 'hote':15C 'hotel':24 'italo':20 'my':7A 'or':30 't':3A,26 'tears':1A 'the':13C,23 'to':12C,22 'wash':5A 'waves':17 'we':29 'welcome':11C 'won':2A,25 'wont':4A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'disco', 'pop', 'dance', 'female vocalists']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620608666.957156  (2021-05-10 03:04:26)
                             'size'  6312606