======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '257'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Synthesizer Greatest, Vol 2'
                                           'title'  'The Inter-Galactic Cruise (Radio Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early'
                                             'bpm'  '126.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Synthesizer Greatest, Vol 2'
'TBPM' (BPM (beats per minute))                     '126.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-early'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'The Inter-Galactic Cruise (Radio Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'various artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.615629'

========================== row from database ==========================
                                              'id'  1528545
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Global_s __And then came the Synths__ (Tfva&s)/Part4 - bonus - a short mix (70s & 80s) [192k]/1. Starink - Various - The Inter-Galactic Cruise (Radio Mix) [1989].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  257
                                           'genre'  electronic-experimental-early
                                        'filesize'  6179886
                                           'mtime'  1637329012
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Global_s __And then came Synths__ (Tfva&s) Part4 bonus short mix (70s & 80s) [192k] 1. Starink Various [1989] electronic experimental early
                                      'tag_artist'  None
                                     'tag_release'  Synthesizer Greatest, Vol 2
                                       'tag_title'  The Inter-Galactic Cruise (Radio Mix)
                                             'bpm'  126.1
                                    'search_title'  'cruise':5 'galactic':3 'inter':2 'intergalactic':4 'mix':8,9 'radio':6,7 'the':1
                                   'search_artist'  None
                                  'search_release'  '2':5 'greatest':2,3 'synthesizer':1 'vol':4
                                     'search_rest'  '1':20,21 '192k':18,19 '1989':24,25 '70s':14,15 '80s':16,17 'and':3 'bonus':11 'came':5 'early':28 'electronic':26 'experimental':27 'global':1 'mix':13 'part4':10 's':2,8 'short':12 'starink':22 'synths':6 'tfva':7 'tfvas':9 'then':4 'various':23
                                    'search_combo'  '1':34,35 '192k':32,33 '1989':38,39 '2':14C '70s':28,29 '80s':30,31 'and':17 'bonus':25 'came':19 'cruise':5A 'early':42 'electronic':40 'experimental':41 'galactic':3A 'global':15 'greatest':11C,12C 'inter':2A 'intergalactic':4A 'mix':8A,9A,27 'part4':24 'radio':6A,7A 's':16,22 'short':26 'starink':36 'synthesizer':10C 'synths':20 'tfva':21 'tfvas':23 'the':1A 'then':18 'various':37 'vol':13C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329011.5371428  (2021-11-19 14:36:51)
                             'size'  6179886