======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '167'
                                          'artist'  'Dolly Pardon'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Workin' 9 - 5"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', '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'  "['country', 'female vocalists', 'folk', 'singer-songwriter', 'bluegrass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '105.0'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'TBPM' (BPM (beats per minute))                     '105.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         "Workin' 9 - 5"
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '167000'
'TPE1' (Lead performer(s)/Soloist(s))               'Dolly Pardon'
'TRCK' (Track number/Position in set)               '00'
'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'                                   ['country', 'female vocalists', 'folk', 'singer-songwriter', 'bluegrass']
'TXXX:q-bass'                                       '2'
'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'                        '+0.85 dB'
'TXXX:replaygain_track_peak'                        '0.535161'

========================== row from database ==========================
                                              'id'  1526120
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/DSA/Dolly Pardon - Workin_ 9 to 5.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  167
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  2684800
                                           'mtime'  1620569077
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s DSA Workin_ to electronic we disco italo
                                      'tag_artist'  Dolly Pardon
                                     'tag_release'  None
                                       'tag_title'  Workin' 9 - 5
                                             'bpm'  105.0
                                    'search_title'  '5':4 '9':3 'workin':1,2
                                   'search_artist'  'dolly':1 'pardon':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'dsa':7 'electronic':10 'italo':12 's':4,6 'to':9 'we':11 'workin':8
                                    'search_combo'  '00poprockelectronic':7 '5':4A '70':9 '80':11 '9':3A 'disco':8 'dolly':5B 'dsa':13 'electronic':16 'italo':18 'pardon':6B 's':10,12 'to':15 'we':17 'workin':1A,2A,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           '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-2', 'q-grit-1']
                                      'lastfmtags'  ['country', 'female vocalists', 'folk', 'singer-songwriter', 'bluegrass']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569076.6531425  (2021-05-09 16:04:36)
                             'size'  2684800