======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '252'
                                          'artist'  'Nanci Griffith'
                                     'text_people'  ''
                                         'release'  'Flyer'
                                           'title'  'Going Back to Georgia'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['americana', 'country', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '133.933'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flyer'
'TBPM' (BPM (beats per minute))                     '133.933'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Going Back to Georgia'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nanci Griffith'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['americana', 'country', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:original release date'                        ['1994', '1994']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.684175'

========================== row from database ==========================
                                              'id'  1539099
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Nanci Griffith__Flyer__cifse201.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  252
                                           'genre'  loc-unsorted
                                        'filesize'  4044626
                                           'mtime'  1676052926
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Griffith__Flyer__cifse201 loc unsorted
                                      'tag_artist'  Nanci Griffith
                                     'tag_release'  Flyer
                                       'tag_title'  Going Back to Georgia
                                             'bpm'  133.933
                                    'search_title'  'back':2 'georgia':4 'going':1 'to':3
                                   'search_artist'  'griffith':2 'nanci':1
                                  'search_release'  'flyer':1
                                     'search_rest'  '00mid':1 'cifse201':6 'europe':3 'flyer':5 'griffith':4 'loc':7 'north':2 'unsorted':8
                                    'search_combo'  '00mid':8 'back':2A 'cifse201':13 'europe':10 'flyer':7C,12 'georgia':4A 'going':1A 'griffith':6B,11 'loc':14 'nanci':5B 'north':9 'to':3A 'unsorted':15
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['americana', 'country', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1994
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1676052926.01178  (2023-02-10 19:15:26)
                             'size'  4044626