======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '228'
                                          'artist'  'Eric Bernham'
                                     'text_people'  ''
                                         'release'  'Sky Odyssey'
                                           'title'  'Sky Odyssey'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'A2'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '86.04'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sky Odyssey'
'TBPM' (BPM (beats per minute))                     '86.04'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Sky Odyssey'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eric Bernham'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               'A2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.707129'

========================== row from database ==========================
                                              'id'  983151
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0electronic/[sonoton] - son 274 - sven torstenson - sky odyssey/A2 Eric Bernham - Sky Odyssey.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  228
                                           'genre'  electronic
                                        'filesize'  9145461
                                           'mtime'  1636912214
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0electronic [sonoton] son 274 sven torstenson sky odyssey A2 electronic
                                      'tag_artist'  Eric Bernham
                                     'tag_release'  Sky Odyssey
                                       'tag_title'  Sky Odyssey
                                             'bpm'  86.04
                                    'search_title'  'odyssey':2 'sky':1
                                   'search_artist'  'bernham':2 'eric':1
                                  'search_release'  'odyssey':2 'sky':1
                                     'search_rest'  '0electronic':1 '274':5 'a2':10 'electronic':11 'odyssey':9 'sky':8 'son':4 'sonoton':2,3 'sven':6 'torstenson':7
                                    'search_combo'  '0electronic':7 '274':11 'a2':16 'bernham':4B 'electronic':17 'eric':3B 'odyssey':2A,6C,15 'sky':1A,5C,14 'son':10 'sonoton':8,9 'sven':12 'torstenson':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912214.132674  (2021-11-14 18:50:14)
                             'size'  9145461