======================== unified (from filesystem) ========================
                                         'bitrate'  '206.357'
                                        'duration'  '279'
                                          'artist'  'Ricky Martin'
                                     'text_people'  ''
                                         'release'  'Veronica Goes Latin2'
                                           'title'  'Maria (Spanish Radio Edit)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['latin', 'dance', 'male vocalists', 'latin pop', 'pop', 'spanish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '18'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '126.568'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'FE10BC12'
'COMM:ID3v1 Comment:XXX'                            'FE10BC12'
'TALB' (Album/Movie/Show title)                     'Veronica Goes Latin2'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Maria (Spanish Radio Edit)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ricky Martin'
'TRCK' (Track number/Position in set)               '1/18'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 2, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['latin', 'dance', 'male vocalists', 'latin pop', 'pop', 'spanish']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.57 dB'
'TXXX:replaygain_track_peak'                        '0.548167'

========================== row from database ==========================
                                              'id'  776590
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Various/Ricky Martin - Maria (Spanish Radio Edit).mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  279
                                           'genre'  loc-style-latin
                                        'filesize'  7204256
                                           'mtime'  1620592733
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Various loc style latin
                                      'tag_artist'  Ricky Martin
                                     'tag_release'  Veronica Goes Latin2
                                       'tag_title'  Maria (Spanish Radio Edit)
                                             'bpm'  126.568
                                    'search_title'  'edit':5,6 'maria':1 'radio':4 'spanish':2,3
                                   'search_artist'  'martin':2 'ricky':1
                                  'search_release'  'goes':2 'latin2':3 'veronica':1
                                     'search_rest'  'latin':4 'loc':2 'style':3 'various':1
                                    'search_combo'  'edit':5A,6A 'goes':10C 'latin':15 'latin2':11C 'loc':13 'maria':1A 'martin':8B 'radio':4A 'ricky':7B 'spanish':2A,3A 'style':14 'various':12 'veronica':9C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['latin', 'dance', 'male vocalists', 'latin pop', 'pop', 'spanish']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592732.8361628  (2021-05-09 22:38:52)
                             'size'  7204256